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【单选题】

What is the feature of Recurdyn?

A.
recursive formulation to build the equations of motion.
B.
Set subsystem
C.
Quick replacement subsystem
D.
Modeling on both hard and soft soils
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参考解析：
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【判断题】Results obtained through numerical method is based on approximation and assumption, the results need to be validated by experiments or analytical method.
A.
正确
B.
错误
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【判断题】FEM is the only one numerical method in solving engineering problems
A.
正确
B.
错误
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【判断题】RecurDyn allows users to develop models within a graphical user interface.
A.
正确
B.
错误
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【多选题】In practical engineering problem solution,what are the basically three major categories of method?
A.
analytical method
B.
numerical method
C.
reasoning method
D.
experimental method
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【判断题】Traditional design procedures often do not account for system-level dynamic behaviors.
A.
正确
B.
错误
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【判断题】For the FEA of a system, the total DOFs for a given mesh model is equal to the number of nodes multiplied by the number of DOFs per node.
A.
正确
B.
错误
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【判断题】A linear static analysis is an analysis where a linear relation holds between applied forces and displacements.
A.
正确
B.
错误
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【判断题】The core of PDE method is to reduces the degrees of Freedom from infinite to finite with the help of discretization or meshing
A.
正确
B.
错误
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【单选题】Regarding nonlinear analysis, what kind of nonlinearity is meant
A.
Geometric Nonlinearity
B.
Material Nonlinearity
C.
Kinematic Nonlinearity
D.
Time nonlinearity
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【判断题】A nonlinear analysis is an analysis where a nonlinear relation holds between applied forces and displacements.
A.
正确
B.
错误
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