美国麻省理工大学：《结构分析与设计技术》教学资源（讲义）CQ12

Concept Question Which of the following statements is correct? Uo=U for ALL elastic materials(1 Uo=OijEij-U0 ONLY for linear elastic materials Jo=-ijEii for a nonlinear elastic material Statements(1) and 3) 12345 Statement( Statement(2) and (3 None of the above statements DKDU

++++ ++++ ++++ ++++ ++++ Concept Question ++++ ++++ ++++ ++++ ++++ Which of the following statements is correct? U0 = U∗ 0 for ALL elastic materials (1) U0 = σij�ij−U∗ 0 ONLY for linear elastic materials (2) 1 σij�ij for a nonlinear elastic material 2 (3) U0 = 1. ++++ Statements (1) and (3) 2. ++++ Statement (2) 3. ++++ Statement (2) and (3) 4. ++++ None of the above statements 5. ++++ DKDU

The answer to this concept question is:(4) None of the above statements

The answer to this concept question is: (4) ++++ None of the above statements