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?

0= ( int_{V_e} )( ij ij + u i u i )dV- ( int_{V_e} )f i u i dV- s e ( hat{t_i} ) u i ds

0= ( int_{V_e} )( ij ij+ u i ui)dV- ( int_{V_e} )fi uidV- se ( hat{t_i} ) uids

0= ( int_{V_e} )( ij ij+ u i ui)dV+ ( int_{V_e} )fi uidV- se ( hat{t_i} ) uids

0= ( int_{V_e} )( ij ij+ u i ui)dV ( int_{V_e} )fi uidV+ se ( hat{t_i} ) uids

What is the correct form of the principle of virtual displacements app

1.	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?
A.	0= ( int_{V_e} )( <sub>ij</sub> <sub>ij</sub>+ u <sub>i</sub> u<sub>i</sub>)dV- ( int_{V_e} )f<sub>i</sub> u<sub>i</sub>dV- <sub>s<sub>e</sub></sub> ( hat{t_i} ) u<sub>i</sub>ds
B.	0= ( int_{V_e} )( <sub>ij</sub> <sub>ij</sub>+ u <sub>i</sub> u<sub>i</sub>)dV- ( int_{V_e} )f<sub>i</sub> u<sub>i</sub>dV- <sub>s<sub>e</sub></sub> ( hat{t_i} ) u<sub>i</sub>ds
C.	0= ( int_{V_e} )( <sub>ij</sub> <sub>ij</sub>+ u <sub>i</sub> u<sub>i</sub>)dV+ ( int_{V_e} )f<sub>i</sub> u<sub>i</sub>dV- <sub>s<sub>e</sub></sub> ( hat{t_i} ) u<sub>i</sub>ds
D.	0= ( int_{V_e} )( <sub>ij</sub> <sub>ij</sub>+ u <sub>i</sub> u<sub>i</sub>)dV ( int_{V_e} )f<sub>i</sub> u<sub>i</sub>dV+ <sub>s<sub>e</sub></sub> ( hat{t_i} ) u<sub>i</sub>ds
Answer» B. 0= ( int_{V_e} )( <sub>ij</sub> <sub>ij</sub>+ u <sub>i</sub> u<sub>i</sub>)dV- ( int_{V_e} )f<sub>i</sub> u<sub>i</sub>dV- <sub>s<sub>e</sub></sub> ( hat{t_i} ) u<sub>i</sub>ds

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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?

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