Example #1
0
    def weak_function(out, a1, a2, h0, mtx_c, c33, mtx_b, mtx_t, bfg, geo,
                      fmode):
        crt = eval_membrane_mooney_rivlin(a1, a2, mtx_c, c33, fmode)

        n_ep = bfg.shape[3]

        if fmode == 0:
            bts = dot_sequences(mtx_b, crt, 'ATB')

            status = geo.integrate(out, bts * h0)

            # Transform to global coordinate system, one node at
            # a time.
            for iep in range(n_ep):
                ir = slice(iep, None, n_ep)
                fn = out[:, 0, ir, 0]
                fn[:] = dot_sequences(mtx_t, fn, 'AB')


        else:
            btd = dot_sequences(mtx_b, crt, 'ATB')
            btdb = dot_sequences(btd, mtx_b)

            stress = eval_membrane_mooney_rivlin(a1, a2, mtx_c, c33, 0)

            kts =  membranes.get_tangent_stress_matrix(stress, bfg)

            mtx_k = kts + btdb

            status = geo.integrate(out, mtx_k * h0)

            # Transform to global coordinate system, one node at
            # a time.
            dot = dot_sequences
            for iepr in range(n_ep):
                ir = slice(iepr, None, n_ep)
                for iepc in range(n_ep):
                    ic = slice(iepc, None, n_ep)
                    fn = out[:, 0, ir, ic]
                    fn[:] = dot(dot(mtx_t, fn, 'AB'), mtx_t, 'ABT')

        return status
Example #2
0
    def weak_function(out, a1, a2, h0, mtx_c, c33, mtx_b, mtx_t, bfg, geo,
                      fmode):
        crt = eval_membrane_mooney_rivlin(a1, a2, mtx_c, c33, fmode)

        n_ep = bfg.shape[3]

        if fmode == 0:
            bts = dot_sequences(mtx_b, crt, 'ATB')

            status = geo.integrate(out, bts * h0)

            # Transform to global coordinate system, one node at
            # a time.
            for iep in range(n_ep):
                ir = slice(iep, None, n_ep)
                fn = out[:, 0, ir, 0]
                fn[:] = dot_sequences(mtx_t, fn, 'AB')


        else:
            btd = dot_sequences(mtx_b, crt, 'ATB')
            btdb = dot_sequences(btd, mtx_b)

            stress = eval_membrane_mooney_rivlin(a1, a2, mtx_c, c33, 0)

            kts =  membranes.get_tangent_stress_matrix(stress, bfg)

            mtx_k = kts + btdb

            status = geo.integrate(out, mtx_k * h0)

            # Transform to global coordinate system, one node at
            # a time.
            dot = dot_sequences
            for iepr in range(n_ep):
                ir = slice(iepr, None, n_ep)
                for iepc in range(n_ep):
                    ic = slice(iepc, None, n_ep)
                    fn = out[:, 0, ir, ic]
                    fn[:] = dot(dot(mtx_t, fn, 'AB'), mtx_t, 'ABT')

        return status
Example #3
0
    def weak_function(out, a1, a2, h0, mtx_c, c33, mtx_b, mtx_t, bfg, geo,
                      fmode):
        crt = eval_membrane_mooney_rivlin(a1, a2, mtx_c, c33, fmode)

        if fmode == 0:
            bts = dot_sequences(mtx_b, crt, 'ATB')

            status = geo.integrate(out, bts * h0)
            membranes.transform_asm_vectors(out, mtx_t)

        else:
            btd = dot_sequences(mtx_b, crt, 'ATB')
            btdb = dot_sequences(btd, mtx_b)

            stress = eval_membrane_mooney_rivlin(a1, a2, mtx_c, c33, 0)

            kts =  membranes.get_tangent_stress_matrix(stress, bfg)

            mtx_k = kts + btdb

            status = geo.integrate(out, mtx_k * h0)
            membranes.transform_asm_matrices(out, mtx_t)

        return status
Example #4
0
    def weak_function(out, a1, a2, h0, mtx_c, c33, mtx_b, mtx_t, bfg, geo,
                      fmode):
        crt = eval_membrane_mooney_rivlin(a1, a2, mtx_c, c33, fmode)

        if fmode == 0:
            bts = dot_sequences(mtx_b, crt, 'ATB')

            status = geo.integrate(out, bts * h0)
            membranes.transform_asm_vectors(out, mtx_t)

        else:
            btd = dot_sequences(mtx_b, crt, 'ATB')
            btdb = dot_sequences(btd, mtx_b)

            stress = eval_membrane_mooney_rivlin(a1, a2, mtx_c, c33, 0)

            kts = membranes.get_tangent_stress_matrix(stress, bfg)

            mtx_k = kts + btdb

            status = geo.integrate(out, mtx_k * h0)
            membranes.transform_asm_matrices(out, mtx_t)

        return status