There are instances that you download official examples from http://www.vtk.org/Wiki/VTK/Examples/Cxx/Qt. but got error like "QWidget: Must construct a QApplication before a QWidget" during runtime. It is most probably due to the debug and release conflict between Qt libaray and your exe file. Just rebuild your exe file by set CMAKE_BUILD_TYPE to Debug or Release correspondingly. It can be done by modifying CMakefile.txt as
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set(CMAKE_BUILD_TYPE Debug) or set(CMAKE_BUILD_TYPE Release)
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or running cmake like
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cmake -DCMAKE_BUILD_TYPE=Release
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VS Code下cmake, c++编译，调试环境的构成步骤
1 下载必须extension 按[Ctrl+Shift+X]打开extension窗口，选择安装"C/C++", "CMake", "CMake Tools" 2 在VSCode下打开作业目录 ...
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Although t here is no technical support available for NASA NSTRAIN-95 , t here is a fork here which runs reasonably well on Linux https:/...
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假设时间步i中的所有物理量X i 已知, 如果时间步i+1中的所有物理量X i+1 可以表为X i 的显函数 （1） X i+1 = F(X i ) （注；本文以下标i，i+1等表示时间步） 则该物理量X可以显式计算。而如果 （2） ...
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1. 什么是体积锁死现象 图1 平面应变模型 在图1所示的又两个三角形单元组成的平面应变问题中，如果变形体材料是不可压缩的，那么我们不管在加载点施加多大的力，从有限元法计算得到的所有节点的所有位移都为零。因为任意位移都会导致 两个三角形中的一个的体积...