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What is difference between stress rupture and creep rupture test

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My topic is Fatigue behaviour of stud shear connectors in steel concrete composite beams

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I want to learn Abacus software related to my research work

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Coble creep and NH creep relation got interchanged.

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Hello Sir, I hope you are doing well. Sir, In the S-N curve, you told that the vertical axis is related to mean stress, but i think it is related to stress level which is the ratio of maximum flexural fatigue strength and static flexural strength of the sample.

Nice lecture sir

Sir, Will you teach strain life fatigue also in your coming lectures?

Wonder full

Please explain bauschinger effect.

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Sir, Please make a proper playlist where lectures can be seen sequentially.

can you give me a brief note on scope of computation mechanics mtech programme in iit ropar

Thank you for all

can you provide full abaqus model?

Nice talk sir

Hello, can you explain intuitively the meaning of eshelby stress in configurational mechanics?

1) The value of a shape function of a node is 1 for that particular node and 0 for other nodes. 2) The strain matrix for the quad element can be written as a B matrix multiply by a displacement matrix. 3 ) The force matrix which is a column matrix equals the stiffness matrix multiply by the displacement matrix. 4) In FEM the elastic modulus of the quad element can be written as a matrix which is denoted by D. 5) We can write the Generalised Degree of Freedom as the multiplication of shape function and degrees of freedom at every node.

1) We derived the shape function for bilinear quadratic elements 2) The shape function at each node has a value of 1 for that particular node number where they are defined and is 0 for other node numbers. 3) We found the generalised degree of freedom, and it can be written as a matrix multiplication of shape function and degree of freedom for each node 4) We formulated the B matrix, the derivative of shape function wrt local coordinates. 5) we also found the strain matrix, which is matrix multiplication of B x(displacement matrix) 6) we learnt D matrix for bilinear quadratic elements and also about how Jacobian matrix relates the local coordinates and the global coordinates

1. Quadratic Bilinear Element Description. 2. Shape Function; Writing shape function for every node. 3. The value of shape function N1 is zero for every node except the node for which this shape function is written, i.e. i=1. Similarly we can write for N2, N3 and N4. 4.Generalised Degree of Freedom can be written as the multiplication of shape function & the and degrees of freedom at every node.

1) Values of local coordinates wont change even if the shape or global coordinates are changed 2) Displacement at local nodes can be calculated which can be related to the overall displacement and using isoparametric calculation we can obtain the generalized degrees of freedom 3) Similarly we can do the strain calculation also we can obtain K

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