2022 Foundations of Solid Mechanics(东南大学) 最新满分章节测试答案

本答案对应课程为:点我自动跳转查看
本课程起止时间为:2022-03-14到2022-06-30

1. Introduction Quiz for Chapter 1

1、 问题:In the history of solid mechanics, who first pointed out that a body is deformed subject to the action of a force?
选项：
A:Robert Hooke
B:Isaac Newton
C:Leonard Euler 
D:Joseph-Louis Lagrange
答案: 【Robert Hooke】

2、 问题:Has solid mechanics found its applications in which of the following engineering areas?
选项：
A:Aeronautical and aerospace engineering
B:Mechanical engineering
C:Materials science and engineering
D:Civil engineering
答案: 【Aeronautical and aerospace engineering;
Mechanical engineering;
Materials science and engineering;
Civil engineering】

3、 问题:In the history of solid mechanics, Sir Lord Kelvin first demonstrated that torsional moments acting at the edges of plates could be decomposed into shearing forces.
选项：
A:正确
B:错误
答案: 【正确】

4、 问题:Elasticity analysis is primarily concerned with the determination of stress, strain and (   ) in elastic solids.
答案: 【(以下答案任选其一都对)displacement;
displacements】

2. Mathematical preliminaries Quiz for Chapter 2

1、 问题:In indicial notation, no index can appear more than ( ) times in a single algebraic term.
选项：
A:1
B:2
C:3
D:4
答案: 【2】

2、 问题:Examples of scalars include 
选项：
A:density of materials
B:mass
C:temperature
D:force
答案: 【density of materials;
mass;
temperature】

3、 问题:How much is the determinant of the transformation matrix between different coordinate systems?
选项：
A:0
B:1
C:-1
D:2
答案: 【1;
-1】

4、 问题:Those vectors and matrices that satisfy the transformation rules between coordinates are called tensors.
选项：
A:正确
B:错误
答案: 【正确】

5、 问题:We can write                                
选项：
A:正确
B:错误
答案: 【错误】

6、 问题:In order to further simplify mathematical expressions, (    ) first introduced the summation convention. 
答案: 【Einstein】

3. Analysis of stress Quiz for Chapter 3

1、 问题: For the gnenral three principal stresses, which of the following relation is correct?
选项：
A:
B:
C:
D:
答案: 【】

2、 问题:Which of the following mode is nonlinear?
选项：
A:Simple compression
B:Simple torsion
C:Simple beam bending
D:Shear due to transverse load
答案: 【Shear due to transverse load】

3、 问题:What are basic deformation modes in Mechanics of Materials?
选项：
A:Simple beam bending
B:Shear due to transverse load
C:Simple tension
D:Simple torsion
答案: 【Simple beam bending;
Shear due to transverse load;
Simple tension;
Simple torsion】

4、 问题:For a general stress state, which of the following relations are correct?
选项：
A:
B:
C:
D:
答案: 【;
;
】

5、 问题:From the normal stress formula equation in pure bending case, the largest normal stress will be either on the top or on the bottom of the beam on the cross section, where the moment is largest. 
选项：
A:正确
B:错误
答案: 【正确】

6、 问题:These three I1 I2 and I3 in the characteristic cubic equation will be changing with the coordinate transformation.
选项：
A:正确
B:错误
答案: 【错误】

7、 问题:For principle stress states, we do not have (   ) component.
答案: 【shear stress】

8、 问题:By stress we mean the intensity of (     ) force. 
答案: 【(以下答案任选其一都对)an internal;
internal】

4. Stress and strain relations Quiz for Chapter 4

1、 问题:Which of the following material constnat is not physically interpretable?
选项：
A:Lame constant  
B:Lame constant  
C:Poisson’s ratio v
D:Shear modulus G
答案: 【Lame constant  】

2、 问题:Which of the following statement is not correct to describe a homogeneous material?
选项：
A:Material properties are identical at every
point in the body.
B:It contains no voids, cracks and inclusions.
C:It can be isotropic.
D:It can contain some discontinuity.
答案: 【It can contain some discontinuity.】

3、 问题:Which of the following materials are typically anisotropic?
选项：
A:Composites
B:Woods
C:Aggregates
D:Bones
答案: 【Composites;
Woods;
Aggregates;
Bones】

4、 问题:For anisotropic elastic material, which of the following relations are correct?
选项：
A:
B:
C:
D:
答案: 【;
;
】

5、 问题:The homogenous material can be anisotropic.
选项：
A:正确
B:错误
答案: 【正确】

6、 问题:The elastic materials always behave linearly.
选项：
A:正确
B:错误
答案: 【错误】

7、 问题:We only have to deal with (   ) material constants for isotropic materials.