In solid mechanics, what is the correct vector form of the equations o – McqOptions

MCQOPTIONS

1.	In solid mechanics, what is the correct vector form of the equations of motion for a plane elasticity problem?
A.	D* +f= u
B.	D* +f= u
C.	D<sup>2</sup>* +f= u
D.	D* +f= u
Answer» B. D* +f= u

Discussion

No Comment Found

Related MCQs

In solid mechanics, what is the correct vector form of the equations of motion for a plane elasticity problem?
In solid mechanics, which option is not a characteristic of a plane stress problem in the XYZ Cartesian system?
For any two cases of plane elasticity problems, if the constitutive equations are different, then their final equations of motion are also different.
For theplane stress problem in XYZ Cartesian system, <sub>xx</sub>= <sub>xx</sub>(x,y), <sub>yy</sub>= <sub>yy</sub>(x,y) and <sub>zz</sub>=0, which option is correct regarding the associated strain field?
Under plane stress condition in the XYZ Cartesian system, which stress value is correct if a problem is characterized by the stress field <sub>xx</sub>= <sub>xx</sub>(x,y), <sub>yy</sub>= <sub>yy</sub>(x,y) and <sub>zz</sub>=0?
For an orthotropic material, if E and v represent Young s modulus and the poisons ratio, respectively, then what is the value of v<sub>12</sub> if E<sub>1</sub>=200 Gpa, E<sub>2</sub>=160 Gpa and v<sub>21</sub>=0.25?
<p>5.For a plane strain problem, the relation between stress and strain components for an orthotropic material is =C . Which option is the correct structure of the matrix C?
Underplane strain condition, what is the value of <sub>yy</sub> if the problem is characterized by the displacement field u<sub>x</sub>=2x+3y, u<sub>y</sub>=5y<sup>2</sup>, and u<sub>z</sub>=0?
For a plane strain problem, which strain value is correct if the problem is characterized by the displacement field u<sub>x</sub>=u<sub>x</sub>(x,y), u<sub>y</sub>=u<sub>y</sub>(x,y) and u<sub>z</sub>=0?
For plane elasticity problems in three dimensions, which option is not responsible for making the solutions independent of one of the dimensions?