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- 1970-1-1
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计算一热力耦合模型,有接触,计算过程中出现退出号2004, The determinant of the stiffness matrix becomes zero or
negative when indicated node has been reached during the
Gaussian elimination phase of the solution process. This
means that the stiffness matrix is non-positive definite.
If this happens at the start of the analysis, the condition
is usually caused by the existence of rigid body modes. It
may also be caused by incorrect material properties (e.g.
Poisson's ratio greater than 0.5; note that such situations
may arise through temperature dependence of properties). In
nonlinear cases, the structure may have buckled or reached a
plastic limit load. In rubber analysis, it may also be due
to the strain state being in a region where the input data
for the strain energy function is invalid. In contact
analysis with friction, lack of normal forces may result in
friction being absent. If desired, the program may be forced
to continue by use of the parameter PRINT or the model or
history definition option CONTROL. Either one of these
procedures may be used for restart. Whenever a non-positive
definite situation occurs one must exercise caution, as the
resultant numerical solution may be infeasible.
请问下如果我想让他继续运行,PRINT参数怎么设置
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