If the equation che (( frac{ partial w_1}{ partial x} sigma_{xx}+ frac{ partial w_1}{ partial y} ) xy-w1fx+ w1 ( ddot{u_x}) )dxdy-&oint; chew1( xxnx+ xyny)ds=0 represents the weak form of plane elasticity equations, then the weight functions w1 and w2 are the first variations of ux and uy, respectively.

If the equation che (( frac{ partial w_1}{ partial x} sigma_{xx}+ fr

1.	If the equation _{_c}h_e (( frac{ partial w_1}{ partial x} sigma_{xx}+ frac{ partial w_1}{ partial y} ) _xy-w₁f_x+ w₁ ( ddot{u_x}) )dxdy-&oint;_{_c}h_ew₁( _xxn_x+ _xyn_y)ds=0 represents the weak form of plane elasticity equations, then the weight functions w₁ and w₂ are the first variations of u_x and u_y, respectively.
A.	True
B.	False
Answer» B. False

Discussion

No Comment Found

Related MCQs

If the equation che (( frac{ partial w_1}{ partial x} sigma_{xx}+ frac{ partial w_1}{ partial y} ) xy-w1fx+ w1 ( ddot{u_x}) )dxdy-&oint; chew1( xxnx+ xyny)ds=0 represents the weak form of plane elasticity equations, then the weight functions w1 and w2 are the first variations of ux and uy, respectively.
For plane elasticity problems, which option represents the essential boundary conditions among the governing equations?
For a plane elasticity problem, which term in the weak form of the principle of virtual displacements is affected by a change in the applied surface traction forces?
Under plane elasticity, which force is responsible for doing the virtual work ( int_{V_e} )fi uidV in the weak form of the principle of virtual displacements?
In the weak form of the principle of virtual displacements applied to a plane elastic finite element, what does the term ( int_{V_e} )( u i ui)dV correspond to?
In the weak form of the principle of virtual displacements, 0= ( int_{V_e} )( ij ij+ u i ui)dV- ( int_{V_e} )fi uidV- set i uids , applied to plane finite elastic element,which term corresponds to virtual strain energy stored in the body?
In the weak formulation of the plane elasticity equations, even though the methods, the principle of virtual displacements and the three-step weak formulation, give, mathematically different finite element models, they are the same in their algebraic forms.
What is the correct form of the principle of virtual displacements applied to plane finite elastic element If Ve is the volume of element and se is its surface?
In constructing the weak forms of plane elasticity problems, which option is not related to the principle of virtual displacements?
In FEM, which method is not used to construct the weak forms and associated finite element model of the plane elasticity equations?

Discussion

No Comment Found

Related MCQs

Reply to Comment