美国麻省理工大学：《结构分析与设计技术》教学资源（讲义）CQ13

Concept Question Which of the following statements is correct? 1. The PVD only applies to linear elastic materials 2. The PVD applies only to elastic materials, but they can be linear or non-linear 3. The PVD applies regardless of the constitutive behavior of the material 4. The PVd only applies to materials having a well- defined strain energy density that depends on the state of strain and not on the strain path or histo Statements( 2 Statement(2)and(4 Statement (3) all of the above statements but state. ment(3 DKDU

++++ ++++ ++++ ++++ ++++ Concept Question ++++ ++++ ++++ ++++ ++++ Which of the following statements is correct? 1. The PVD only applies to linear elastic materials 2. The PVD applies only to elastic materials, but they can be linear or non-linear 3. The PVD applies regardless of the constitutive behavior of the material 4. The PVD only applies to materials having a well￾defined strain energy density that depends on the state of strain and not on the strain path or history. 1. ++++ Statements (1) 2. ++++ Statement (2) and (4) 3. ++++ Statement (3) 4. ++++ All of the above statements but state￾ment (3) 5. ++++ DKDU

The answer to this concept question is: 3) Statement(3)

The answer to this concept question is: (3) ++++ Statement (3)