Determine the displacement strain and stress fields

Reference no: EM132275677

Composite Materials Assignment -

Submit a computer typed word document with your detailed answers and steps along with any MATLAB .m files and ANSYS .db files used.

Problem Statement: A 25 cm x 25 cm structural composite with a stacking sequence of [45^o/0^o/-45^o/90^o] is subjected to tensile loading of 100 MPa in the y-direction. Unidirectional lamina properties are E₁ = 161 GPa, E₂ = 9 GPa, ν₁₂ = 0.26, and G₁₂ = 6.1 GPa. The subscripts 1 and 2 designate longitudinal (fiber direction) and transverse (perpendicular to fiber direction), respectively. All four layers in this structural composite have a thickness 0.16 mm.

Part 1: Using FEA, determine the displacement, strain and stress fields. (Using Ansys APDL)

Part 2: Using analytical approach, determine the global equivalent orthotropic properties for this structural composite: E_x, E_y, v_xy and G_xy.

Part 3: Run another FEA model, but now using the global equivalent orthotropic properties determined in Part 2. (Using Ansys APDL).

Part 4: Compare the results of the FEA models of Part 1 and Part 3. Comment and elaborate on any dependencies between the full model in Part 1 and the idealized model in Part 3.

Note - Part 2 is either by using MATLAB or manually using the matrices.

Reference no: EM132275677

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