This error occurred yesterday when I tried to run an Abaqus/Explicit model with around 5 million elements having user defined material.At this time, the Monitor page of the Job shows nothing helpful but several trivial Warnings on ELEMENT TYPE and VUMAT.
Abaqus 中的 Field Output 和 History Output
Field Output(FO,场变量输出)和 History Output(HO,历史变量输出) 是 Abaqus 中两种基本的数据输出类别。这两者是独立的,有不同的应用场景。刚开始接触 Abaqus 的话会对这两个变量的使用感到困惑。
原来 Abaqus 用 Licence 的数量是这么算的
刚在 Leeds 大学的网页看到的描述,在计算中心的设备上运行 Abaqus 模拟任务的时候,使用的 Licence 跟任务分配使用的核心数有关,而且不是线性关系。这对于购买和使用 Abaqus 的许可证很有参考价值。
Python for Abaqus: code for meshing a part
Region used for material orientation assignment can also be used in meshing a part. Here is an example of messing a part using C3D8R element.
Python for Abaqus: code for discrete material orientation assignment
Some Python codes for build Region in Abaqus are really difficult to figure out although Abaqus has a lot of examples and detailed manual and reference. Here is an example for creating discrete material orientation using Python script.
通过命令行在 Abaqus 中运行 Python 脚本的两种方式
有时候只能在没有图形界面的情况下运行 Abaqus,比如在某些高性能计算集群中,又或者仅仅是为了能够通过 Python 批量运行模拟并获取结果等。
Abaqus 与 Fortran 的连接
之前使用学校的自动升级程序安装的 Abaqus 6.14.3 居然没有自动连接 Fortran 编译器,导致使用用户子程序的时候发生编译错误。试了好半天才找到解决办法,记录备查。
Python script to get ODB object
Python script could also be used to perform postprocessing in Abaqus. The first step might be to get the ODB object containing the data to process. Here are two methods to create a variable for the ODB object.
解决 Excessive distortion 的一般思路
使用 Abaqus 模拟分析大变形情况时一个经常出现又不容易解决的错误就是单元过度变形(Excessive Element Distortion)。出现该错误模型就会中止运行。虽然 Abaqus 会具体地给出出现过度变形的那些单元(ErrElemExcessDistortion),然而这些信息往往对解决问题并没有多少帮助。
A yarn level simulation on fabric under ballistic impact using Abaqus
To help my colleague to catch up on the finite element simulation of ballistic impact on a fabric based on a yarn level model in Abaqus, I recorded this whole procedure for sharing.