Fix Print Lammps

Table of Contents fix print command467. LAMMPS Input Commands. This page contains a complete list of valid LAMMPS commands which are read-in from an input script. Also if I run plumed by itself it's all fine. Sorry for being blunt. This file stores strain information in the first column, stress tensor information in the second through seventh columns, and stores the total potential energy of the cell in the eight column. Restart, fix_modify, output, run start/stop, minimize info: No information about this fix is written to binary restart files. With the runtests. See the variable command for a description of equal style variables which are the most useful ones to use with the fix print command, since they are evaluated afresh each timestep that the fix print line is output. cortex-m23 is the first armv8-m microcontroller to support. 为一组原子施加fix约束。在LAMMPS中,fix是施加在分子动力学时间步或能量最小化过程中的某种操作。. LAMMPS Molecular Dynamics Simulator. download dynamic groups lammps free and unlimited. Installation Instructions (tested on Mac OS X Leopard should work on Linux with minimal changes) Compiling LAMMPS from source seems to be pretty straightforward. In LAMMPS, a "fix" is any operation that is applied to the system during timestepping or minimization. Manual LAMMPS - Free ebook download as PDF File (. fix print, variable. The ID in the reference should be replaced by the ID of a fix defined elsewhere in the input script. Lammps -pressure fluctuation during npt -if you can help improve my script? You can output the data using fix print with "file" keyword. 同时,LAMMPS增加了一个参数tol,它是与优化相关的,作用于二体和三体相互作用。使用sw势函数时,当原子间距离小于理论截断距离时,相互作用能量会变得非常小,甚至可以忽略。因此,LAMMPS会根据用户定义的tol参数定义一个虚拟截断距离。. It may set an internal variable, read in a file, or run a simulation. Table of Contents fix meso/stationary command530. Fix references access quantities calculated by a fix. 2 and gcc 4. 2019 crack software download. How to fix the list size in drop down button to a number and make it scrollable in flutter? AMP: pre selected value in select box Material Components menu's `setAbsolutePosition()` not working properly?. I'm using intel openmpi 2. 662 fix print command. 2 Reporting bugs If you are confident that you have found a bug in LAMMPS, follow these steps. This is the way the POEMS package that performs constrained rigid-body motion on groups of atoms is hooked to LAMMPS. ' If you wish to use multiple processors, use the mpirun command. it provides the options. Skip to content. txt screen no I would like to deform the. The fix ave/time command enables direct output to a file and/or timeaveraging of global scalars or vectors. Thus when updating LAMMPS, also the KIM API needs to be updated and LAMMPS newly configured from scratch. In this example, we use LAMMPS to simulate a high-temperature two-dimensional Lennard-Jones system consisting of two crystals with a combined 4284 atoms. lammps region ll block 0. Each fix style has its own doc page which describes its arguments and what it does, as listed below. First, consider using the fix print command, which will print a string periodically during a simulation. This is the way the POEMS package that performs constrained rigid-body motion on groups of atoms is hooked to LAMMPS. cortex-m23 is the first armv8-m microcontroller to support. LAMMPS命令官方手册. If supplied, stride will be ignored. General commands. 0 tchain 1 pchain 0 # Specify reference state from paper, times 1000 atoms fix_modify myhug e0 -6334. txt) or read book online for free. You can use this tiny box region to select an atom (or atoms) for deletion. High SR means like 10^10. Pizzapy Pizzapy. Output LAMMPS datafile. The region command preceded by # is commented, which means that LAMMPS will ignore it until you delete the #. It will be easiest to understand if you read it while looking at sample input scripts in the examples directory. This file stores strain information in the first column, stress tensor information in the second through seventh columns, and stores the total potential energy of the cell in the eight column. mpiライブラリ毎のコンパイラ指定方法 - hpcメモ. this is a. Welcome to LinuxQuestions. Bins can be 1d layers or slabs, 2d pencils, or 3d boxes. posted a video with commentary on how to set up a train for humping and beginning the hump process. See this section of the documentation for info on how to add a new fix to LAMMPS. Restrictions: This fix is part of the "poems" package. LAMMPS tutorials by sandia. when referencing the unicode character data types nchar, nvarchar, and ntext, 'expression' should be. Sevarl fixes take various quantities as input and can write output files: fix ave/time, fix ave/spatial, fix ave/histo, fix ave/correlate, and fix print. I guess I had expected that since I could refer to pe within a thermo_style command, I could do in the formatted string of a fix print. lammps / [lammps-users] use fix move and dynamic group how to delete a fraction of group of water molecules in lammps? hello everyone, i have built a system which consists of solid and liquid part in the unit cell using moltemplate and lammps. It is public but it is intended to be useful for current members of the group to learn many things on their own. Atom and molecule IDs are stored internally as 4-byte or 8-byte signed integers, depending on how LAMMPS was. This problem happens when I try fix deform in a high strain rate to a smaller boxes. Steve On Thu, Aug 26, 2010 at 10:19 AM, Dave Schall wrote: > For curiosity's sake, why do the print and fix print commands require you to > define variables for things that are predefined elsewhere as thermo_styles, > fixes, or computes? > > For example, the following command works: > > variable mystep equal step > fix test all. dat outfile dAFED. Is there a way to print out values to a file specified by fix print command such that a title such as # Fix print output for fix ID doesn't occur? and I dont mean a custom title, I just mean no title at all. 同时,LAMMPS增加了一个参数tol,它是与优化相关的,作用于二体和三体相互作用。使用sw势函数时,当原子间距离小于理论截断距离时,相互作用能量会变得非常小,甚至可以忽略。因此,LAMMPS会根据用户定义的tol参数定义一个虚拟截断距离。. In a nutshell, installation procedure consists of 3 steps; (1)FFTW, (2)libs for LAMMPS, (3)LAMMPS itself. If you need any softwares, please email me: crdlin. -----I have the more latest cracked softwares. 0 Description: Set a fix that will be applied to a group of atoms. Restrictions: This fix is part of the "poems" package. They are also listed in more compact form on the Commands fix doc page. sh script all of those inputs are converted via msi2lmp, then the minimization with LAMMPS is run and the generated data files are compared with the corresponding files in the reference folder. My lammps version is 170330 with plumed v2. Welcome to LinuxQuestions. In a nutshell, installation procedure consists of 3 steps; (1)FFTW, (2)libs for LAMMPS, (3)LAMMPS itself. 当上述热力学,转储或修复命令执行输出时,LAMMPS 可以提供各种方法 来确定计算和打印的数量。. The binaries are built with MinGW64 Linux to Windows cross compilers on Fedora Linux using the standard LAMMPS sources. fix print, variable. 0 tchain 1 pchain 0 # Specify reference state from paper, times 1000 atoms fix_modify myhug e0 -6334. br, fixprint. See the variable command for a description of equal style variables which are the most useful ones to use with the fix print command, since they are evaluated afresh each timestep that the fix print line is output. This issue requires small modifications in exaalt/parsplice (as well as exaalt/exaalt). This is a wiki that we will use for putting all the manuals and updates on the software we make. In this short tutorial I will show how I did some of my Car-Parrinello simulations, assuming that you know the theory. Nov 20, 2019 · Each fix style has its own doc page which describes its arguments and what it does, as listed below. (2) Define a new LAMMPS command that calls the other code. 0 units box group lower region ll group upper region uu group boundary union lower upper group mobile subtract all boundary. Table of Contents 4. download update ase free and unlimited. Superior to our competitors, we can help you with every print. How can I fix group of atoms in graphene sheet in LAMMPS? Hello everyone, I have built a single layer graphene sheet in Materials studio and converted in LAMMPS file. It will be easiest to understand if you read it while looking at sample input scripts in the examples directory. For instance, once in 50 timesteps: fix 1 print2 50. It may set an internal variable, read in a file, or run a simulation. lammps region ll block 0. In order for LAMMPS to output compatible data, one must set up an appropriate dump file with the desired data in the LAMMPS input script. Run this using LAMMPS in UNIX. When the input script ends, LAMMPS exits. Use this option to load only a single frame from a trajectory on disk. com, fixprint. Manual instruction. Nov 20, 2019 · Each fix style has its own doc page which describes its arguments and what it does, as listed below. On Thu, Jan 26, 2012 at 5:29 PM, Mayank Misra wrote: > Dear Community, > > I want to dump/compute net dipole moment of my system within LAMMPS. See the fix_poems command for more details. For instance, once in 50 timesteps: fix 1 print2 50. [patch] armv8: ls2080aqds: fix sgmii repeater settings from: shaohui xie [hidden email] > the current value to check whether the phy was configured has dependency on mc, it expects mc to start pcs an, this is not true during boot up, so it should be changed to remove the dependency. this article shows how the dba cockpit and its automatic table maintenance for sap adaptive server enterprise ensures good cluster ratios on tables and indexes, frees up unused space and ensures accurate optimizer statistics. Addressing exaalt/exaalt issue#2 (PSIP-CI-3). Lammps and Gromacs are all used for performing. If supplied, stride will be ignored. 2019 crack software download. The journey is bottled in PrintaFix – the best solution for 3D printing. Large-Scale Atomic/Molecular Massively Parallel Simulator* (LAMMPS*) A classical molecular dynamics code that can be used to model atoms or as a parallel particle simulator at the atomic, mesoscopic, or continuum scale. Near the end of the LAMMPS script, use the 'dump' command in order to output desired data to a 'custom' file type for use in Ovito. Table of Contents fix print command467. pdf), Text File (. I'm using intel openmpi 2. As discussed in the doc page for the fix command, fixes can produce global, per-atom, or local values. # Fix print output for fix ID where ID is replaced with the fix-ID. Here is an alphabetic list of fix styles available in LAMMPS. Check the New features and bug fixes section of the LAMMPS WWW site to see if the bug has already been reported or fixed or the Unfixed bug to see if a fix is pending. The two most likely problems come from (a) not compiling the FFTW library first, and (b) using the incompatible FFTW 3. fix print, variable. 虽然LAMMPS不会检查,但是你也不应该使用该fix命令来交换受约束分子( fix shake or fix rigid)如中原子的动能。因为这种约束会改变说交换的动量值。但是,你可以用在自由分子上。可以参考Maginn的文章。. See this section of the documentation for info on how to add a new fix to LAMMPS. # Fix print output for fix ID where ID is replaced with the fix-ID. hi3531 sdk 里面sample_hifb. download dynamic groups lammps free and unlimited. there is lots of mention in this video about the rts system's barstow matrix. 4 Running multiple simulations from one input script36. In order for LAMMPS to output compatible data, one must set up an appropriate dump file with the desired data in the LAMMPS input script. 5 units box region uu block 0. Atom and molecule IDs are stored internally as 4-byte or 8-byte signed integers, depending on how LAMMPS was. The Python interface to LAMMPS consists of a Python "lammps" module, the source code for which is in python/lammps. txt) or view presentation slides online. Restrictions: This fix is part of the "poems" package. LAMMPS is inconsistent with the default units for the specification of distances, espically with the construction and fix commands. If I run the same lammps executable without any 'fix plumed' in the input file it runs fine. gov LAMMPS Users and Developers Workshop International Centre for Theoretical Physics (ICTP). Run this using LAMMPS in UNIX. Here is an alphabetic list of fix styles available in LAMMPS. Check the New features and bug fixes section of the LAMMPS WWW site to see if the bug has already been reported or fixed or the Unfixed bug to see if a fix is pending. Why GitHub? make fix print work the same for run, multiple runs, rerun:. Specifying the Thermodynamic State We begin by recalling the Phase Rule that states that the number of thermodynamic degrees of freedom, DOF. Regardless of what the manual says, always specify the units on the commands that take units, even if the command has default units. The sample Python code below assumes you have first imported the "lammps" module in your Python script, as follows:. No global or per-atom quantities are stored by this fix for access by various output commands. 虽然LAMMPS不会检查,但是你也不应该使用该fix命令来交换受约束分子( fix shake or fix rigid)如中原子的动能。因为这种约束会改变说交换的动量值。但是,你可以用在自由分子上。可以参考Maginn的文章。. Jul 24, 2018 · LAMMPS input for water Prepare initial geometry. My lammps version is 170330 with plumed v2. Some styles have accelerated versions. This page contains a complete list of valid LAMMPS commands which are read-in from an input script. lammps file. posted a video with commentary on how to set up a train for humping and beginning the hump process. Using LAMMPS you can calculate and print average pressure over window of some time, fluctuations of average pressure should be much smaller variable P equal press fix PressAve all ave/time 10 1000. The ID in the keyword should be replaced by the actual ID of a fix that has been defined elsewhere in the input script. follow the instructions below for help setting up your user environment, preparing an input script and a batch job script, and submitting and monitoring help regarding dump file in lammps - researchgate. In this case, heating is for all atoms, and the temprature remains constant at 300K. py, which creates a "lammps" object, with a set of methods that can be invoked on that object. If a compute or fix provides the value being time averaged, then the compute or fix determines whether the value is intensive or extensive; see the doc page for that compute or fix for further info. Is there a way to print out values to a file specified by fix print command such that a title such as # Fix print output for fix ID doesn't occur? and I dont mean a custom title, I just mean no title at all. If you need any softwares, please email me: crdlin. Table of Contents fix meso/stationary command530. This page is for downloading software packages that I distribute. Bins can be 1d layers or slabs, 2d pencils, or 3d boxes. The fix ave/time command enables direct output to a file and/or timeaveraging of global scalars or vectors. This will create a LAMMPS data file with a name like "sample. 01 fix mine top setforce 0. In LAMMPS, a "fix" is any operation that is applied to the system during timestepping or minimization. Superior to our competitors, we can help you with every print. The end of the logfile/screen output should look like this:. I guess I had expected that since I could refer to pe within a thermo_style command, I could do in the formatted string of a fix print. LAMMPS Input Commands. In LAMMPS, only small clusters of atoms can be constrained. ' If you wish to use multiple processors, use the mpirun command. "1" is the number of atom types in the simulation. It will be easiest to understand if you read it while looking at sample input scripts in the examples directory. With time, the boundary between the crystals contracts until the two crystals effectively merge. The region command preceded by # is commented, which means that LAMMPS will ignore it until you delete the #. This is the way the POEMS package that performs constrained rigid-body motion on groups of atoms is hooked to LAMMPS. You can use this tiny box region to select an atom (or atoms) for deletion. there is lots of mention in this video about the rts system's barstow matrix. lammps / [lammps-users] use fix move and dynamic group how to delete a fraction of group of water molecules in lammps? hello everyone, i have built a system which consists of solid and liquid part in the unit cell using moltemplate and lammps. Steve On Thu, Aug 26, 2010 at 10:19 AM, Dave Schall wrote: > For curiosity's sake, why do the print and fix print commands require you to > define variables for things that are predefined elsewhere as thermo_styles, > fixes, or computes? > > For example, the following command works: > > variable mystep equal step > fix test all. Open the LAMMPS input dialog. Values produced by a variable are treated as intensive. angle_coeff: angle_style: atom_modify: atom_style: balance: bond_coeff: bond_style: bond_write. In LAMMPS, a "fix" is any operation that is applied to the system during timestepping or minimization. br, fixprint. So, I think that there is something wrong with the parallel communication between lammps and plumed. LAMMPS = Large-scale Atomic/Molecular Massively Parallel Simulator. All fixes have pretty the same syntax: fix The first 3 parameters are parsed by LAMMPS, while should be parsed by user. this is a. LAMMPS tutorials by sandia. LAMMPS Molecular Dynamics Simulator. Some styles have accelerated versions. 5 Using LAMMPS from Python The Python interface to LAMMPS consists of a Python "lammps" module, the source code for which is in python/lammps. This is the way the POEMS package that performs constrained rigid-body motion on groups of atoms is hooked to LAMMPS. Why GitHub? make fix print work the same for run, multiple runs, rerun:. The specified group-ID is ignored by this fix. Any of my search term words; All of my search term words; Find results in Content titles and body; Content titles only. create_box tells LAMMPS we want to use the bulkau region as our simulation cell. General commands. LAMMPS Windows Installer Repository. And if you use mpiicc and mpiifort , then you don't have to worry about the PATH of MPI package and it will be taken care of automatically. br, fixprint. In LAMMPS, a "fix" is any operation that is applied to the system during timestepping or minimization. There is also a LAMMPS input to run a minimization for each and write out the resulting system as a data file. The end of the logfile/screen output should look like this:. are convinced you need to compute something on−the−fly as LAMMPS runs, see this section for a discussion of how you can use the dump and compute and fix commands to print out data of your choosing. Jul 24, 2018 · LAMMPS input for water Prepare initial geometry. br, fixprint. For instance, once in 50 timesteps: fix 1 print2 50. (2) Define a new LAMMPS command that calls the other code. No parameter of this fix can be used with the start/stop keywords of the run command. txt screen no I would like to deform the. See the variable command for a description of equal style variables which are the most useful ones to use with the fix print command, since they are evaluated afresh each timestep that the fix print line is output. The KIM package now supports version 2. counts in the bowl are manually updated, but the incoming trains since generated. LAMMPS命令官方手册. The user specifies one or more quantities as input. This file stores strain information in the first column, stress tensor information in the second through seventh columns, and stores the total potential energy of the cell in the eight column. Check the best results!. 5 Individual commands This section lists all LAMMPS commands alphabetically, with a separate listing below of styles within certain commands. I gather that everyone, be it a compute or a fix, which could be referenced as c_ID or f_ID has to be recast with a variable in order to be accessed in a fix print?. The specified group-ID is ignored by this fix. are convinced you need to compute something on−the−fly as LAMMPS runs, see this section for a discussion of how you can use the dump and compute and fix commands to print out data of your choosing. Sandia's molecular dynamics code LAMMPS now has its own download page. Here is an example LAMMPS input script. *References for other commands can be found in the LAMMPS manual (link above). Table of Contents LAMMPS Documentation1. fix myhug all nphug temp 1. -----I have the more latest cracked softwares. txt screen no I would like to deform the. As discussed in the doc page for the fix command, fixes can produce global, per-atom, or local values. 5 Using LAMMPS from Python The Python interface to LAMMPS consists of a Python "lammps" module, the source code for which is in python/lammps. # Fix print output for fix ID where ID is replaced with the fix-ID. See the fix_poems command for more details. Choose the number of repeating units of the input coordintes in x, y and z directions; Choose the water potential. It will be easiest to understand if you read it while looking at sample input scripts in the examples directory. The ID in the reference should be replaced by the ID of a fix defined elsewhere in the input script. It is only enabled if LAMMPS was built with that package, which also requires the POEMS library be built and linked with LAMMPS. Third, the print command could appear in a section of the input script that is looped over (see the jump and next commands). In our case, we need to specify how often we want to print average velocity. download dynamic groups lammps free and unlimited. A cluster is defined as a central atom connected to others in the cluster by constrained bonds. posted a video with commentary on how to set up a train for humping and beginning the hump process. Within lammps I use the following command to use plumed: fix 2 all plumed plumedfile plumed. This is the way the POEMS package that performs constrained rigid-body motion on groups of atoms is hooked to LAMMPS. lammps并不提供图形化界面呈现模拟的结果以及相关工具进行建模,需要用户自己使用指定格式的脚本实现。程序运行中逐行读取并执行脚本内容。. In this example, we use LAMMPS to simulate a high-temperature two-dimensional Lennard-Jones system consisting of two crystals with a combined 4284 atoms. Steve On Thu, Aug 26, 2010 at 10:19 AM, Dave Schall wrote: > For curiosity's sake, why do the print and fix print commands require you to > define variables for things that are predefined elsewhere as thermo_styles, > fixes, or computes? > > For example, the following command works: > > variable mystep equal step > fix test all. Sevarl fixes take various quantities as input and can write output files: fix ave/time, fix ave/spatial, fix ave/histo, fix ave/correlate, and fix print. Here is an alphabetic list of fix styles available in LAMMPS. 虽然LAMMPS不会检查,但是你也不应该使用该fix命令来交换受约束分子( fix shake or fix rigid)如中原子的动能。因为这种约束会改变说交换的动量值。但是,你可以用在自由分子上。可以参考Maginn的文章。. This fix is not invoked during energy minimization. When the input script ends, LAMMPS exits. The specified group-ID is ignored by this fix. They are also listed in more compact form on the Commands fix doc page. Molecular topology is an input to LAMMPS get it from a builder, massage into LAMMPS format auto-magical assignment of force- elds is also hard LAMMPS includes some basicpre-processors(tools dir) bead-spring chain builder ch2lmp = PDB to LAMMPS converter amber2lmp = AMBER to LAMMPS converter msi2lmp = Accelrys to LAMMPS converter. Values produced by a variable are treated as intensive. com This work has been performed in July 2016, at National Center of Nuclear Research, Materials Laboratory,. Addressing exaalt/exaalt issue#2 (PSIP-CI-3). br, fixprint. The internal crystal is initially rotated from the bulk matrix by 11 degrees. Restart, fix_modify, output, run start/stop, minimize info: No information about this fix is written to binary restart files. This is great because now you can build your model in Materials Studio without going through any coding, and quickly translate to the file that LAMMPS can read without worrying about defining most of forcefield parameters. The binaries are built with MinGW64 Linux to Windows cross compilers on Fedora Linux using the standard LAMMPS sources. For instance, once in 50 timesteps: fix 1 print2 50. It is public but it is intended to be useful for current members of the group to learn many things on their own. org, a friendly and active Linux Community. No parameter of this fix can be used with the start/stop keywords of the run command. ' If you wish to use multiple processors, use the mpirun command. The sample Python code below assumes you have first imported the "lammps" module in your Python script, as follows:. With time, the boundary between the crystals contracts until the two crystals effectively merge. LAMMPS Input Commands. The end of the logfile/screen output should look like this:. For example, 'mpirun -np 8 LAMMPS executable < input file' runs the simulation on 8 processors. It is only enabled if LAMMPS was built with that package, which also requires the POEMS library be built and linked with LAMMPS. c makefile的 分析 - 枫叶尚卿 - 博客园. fix myhug all nphug temp 1. , the "read data" line should give a file name like "sample. See this section of the documentation for info on how to add a new fix to LAMMPS. lammps region ll block 0. Only global and per-atom values can be used in a variable. In this short tutorial I will show how I did some of my Car-Parrinello simulations, assuming that you know the theory. See the fix_poems command for more details. The region command preceded by # is commented, which means that LAMMPS will ignore it until you delete the #. Thus when updating LAMMPS, also the KIM API needs to be updated and LAMMPS newly configured from scratch. 5 Individual commands This section lists all LAMMPS commands alphabetically, with a separate listing below of styles within certain commands. maybe specify something like fix print "*values*" file title NONE Thanks. I'm using intel openmpi 2. timestep() function returns the default timestep value for a given LAMMPS units option. If in Unix, simply type 'LAMMPS executable < input file. Second, the print command can be used as an argument to the every option of the run command. Skip to content. Using LAMMPS you can calculate and print average pressure over window of some time, fluctuations of average pressure should be much smaller variable P equal press fix PressAve all ave/time 10 1000. Table of Contents 4. Third, the print command could appear in a section of the input script that is looped over (see the jump and next commands). This is great because now you can build your model in Materials Studio without going through any coding, and quickly translate to the file that LAMMPS can read without worrying about defining most of forcefield parameters. 2 and gcc 4. Large-Scale Atomic/Molecular Massively Parallel Simulator* (LAMMPS*) A classical molecular dynamics code that can be used to model atoms or as a parallel particle simulator at the atomic, mesoscopic, or continuum scale. com This work has been performed in July 2016, at National Center of Nuclear Research, Materials Laboratory,. The region command preceded by # is commented, which means that LAMMPS will ignore it until you delete the #. Check the New features and bug fixes section of the LAMMPS WWW site to see if the bug has already been reported or fixed or the Unfixed bug to see if a fix is pending. br, fixprint. See the fix_poems command for more details. create_box tells LAMMPS we want to use the bulkau region as our simulation cell. maybe specify something like fix print "*values*" file title NONE Thanks. This fix is not invoked during energy minimization. Fix print found at support. If you need any softwares, please email me: crdlin. Select the package you want via the circular check-button, click the "Download Now" button, and your browser should download a gzipped tar file. On Thu, Jan 26, 2012 at 5:29 PM, Mayank Misra wrote: > Dear Community, > > I want to dump/compute net dipole moment of my system within LAMMPS. LAMMPS Molecular Dynamics Simulator. Pizzapy Pizzapy. fix 1 all nve fix 3 all nvt temp 300. There is also a LAMMPS input to run a minimization for each and write out the resulting system as a data file. LAMMPS (Large-scale Atomic/Molecular Massively Parallel Simulator) is a classical molecular dynamics simulation tool that is able to exploit modern parallel computing environments such as the cloud environments provided by Amazon and Microsoft. lammps / [lammps-users] use fix move and dynamic group how to delete a fraction of group of water molecules in lammps? hello everyone, i have built a system which consists of solid and liquid part in the unit cell using moltemplate and lammps. Table of Contents LAMMPS Documentation1. Sevarl fixes take various quantities as input and can write output files: fix ave/time, fix ave/spatial, fix ave/histo, fix ave/correlate, and fix print.