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Prandtl stress function is identical to Airy stress function.
发布时间:
2024-04-01 11:38:37
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相关试题
1.
The inverse means we are given the Airy’s stress function. 选项: A:正确; B:错误
2.
Which of the following equations can be treated as the defining equations of the Airy's stress function?
3.
Prandtl stress function must be ( ) on all lateral surfaces of a prismatic shaft subjected to twisting moments.
4.
Prandtl stress function must be ( ) on all lateral surfaces of a prismatic shaft subjected to twisting moments.
5.
For a simply-connected plane domain subjected to harmonic body force potentials and only traction boundary conditions, which of the following statements are correct?选项: A:The Airy stress functions of plane strain and plain stress formulations satisfy the same governing equation.; B:The stresses for plane strain and plane stress formulations are identical.; C:The stresses for plane strain and plane stress formulations are independent on elastic constants.; D:The displacements for plane strain and plane stress formulations are identical.
6.
For a simply-connected plane domain subjected to harmonic body force potentials and only traction boundary conditions, which of the following statements are correct?选项: A:The Airy stress functions of plane strain and plain stress formulations satisfy the same governing equation.; B:The stresses for plane strain and plane stress formulations are identical.; C:The stresses for plane strain and plane stress formulations are independent on elastic constants.; D:The displacements for plane strain and plane stress formulations are identical.
7.
Prandtl stress function must be constant on all lateral surfaces of a prismatic shaft subjected to twisting moments.选项: A:正确; B:错误
8.
For wedges subjected to boundary tractions varying by power functions of the radial coordinate, we may start to construct the trial solution from the relation between Airy stress function and ( ) stress component.选项: A:angular; B:radial; C:shear; D:all three plane stress components
9.
How many times did we apply Green's theory in developing Airy's stress function?选项: A:1; B:2; C:3; D:4
10.
About plane strain and plane stress formulations, which of the following statements are correct descriptions?选项: A:One formulation can be converted to another by the simultaneous replacements of Young’s modulus and Poisson’s ratio.; B:With the help of Kolosov’s constant, they be expressed with the identical form.; C:The governing equations of two formulations differ only by elastic constants.; D:The method of Airy stress function is valid for both formulations.
11.
About plane strain and plane stress formulations, which of the following statements are correct descriptions?选项: A:One formulation can be converted to another by the simultaneous replacements of Young’s modulus and Poisson’s ratio.; B:With the help of Kolosov’s constant, they be expressed with an identical form.; C:The governing equations of two formulations differ only by elastic constants.; D:The method of Airy stress function is valid for both formulations.
12.
By comparing the torsional problem of prismatic shafts with the membrane inflation problem, which of the following arguments are correct?选项: A:They have the same type of governing equations and boundary conditions.; B:The twisting moment is equivalent to twice of the membrane volume.; C:Prandtl stress function is equivalent to the membrane elevation function.; D:The unit angle of twist is related to the uniform pressure acting on the membrane.
13.
About plane strain and plane stress formulations, which of the following statements are correct descriptions? 选项: A、One formulation can be converted to another by the simultaneous replacements of Young’s modulus and Poisson’s ratio. B、With the help of Kolosov’s constant, they be expressed with an identical form. C、The governing equations of two formulations differ only by elastic constants. D、The method of Airy stress function is valid for both formulations.
14.
About plane strain and plane stress formulations, which of the following statements are correct descriptions?选项: A:One formulation can be converted to another by the simultaneous replacements of Young’s modulus and Poisson’s ratio.; B:With the help of Kolosov’s constant, they be expressed with the identical form.; C:The governing equations of two formulations differ only by elastic constants.; D:The method of Airy stress function is valid for both formulations.
15.
Integrating the Airy stress function due to a concentrated normal force can solve the half-plane problem under the application of a concentrated moment.选项: A:正确; B:错误
16.
For gravity dams with a triangular cross-section, the method of dimension analysis worked during the proposal of a valid Airy stress function. In your opinion, what is the most important reason? 选项: A、No characteristic length is involved in the geometry. B、Gravity is considered. C、Water pressure is considered. D、The dimension of external loads can be uniquely determined.
17.
Which of the following is not the function of stress? 选项: A、To show emphasis. B、To show surprise. C、To distinguish meaning of identical words or phrases. D、To emphasize the relativity of the two words.
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