Ejemplo n.º 1
0
    def test_coord_xform_b(self):
        origin = array([0., 0., 0.])
        zaxis = array([0., 0., 1.])
        xzplane = array([1., 0., 0.])
        cid0 = CORD2R(cid=0, rid=0, origin=origin, zaxis=zaxis, xzplane=xzplane)

        Lx = 2.
        Ly = 3.
        Lz = 5.
        Fy = 1.5
        origin = array([-Lx, -Ly, -Lz])
        z_axis = origin + array([0., 0., 1.])
        xz_plane = origin + array([1., 0., 1.])
        rid = 0
        data = [1, rid] + list(origin) + list(z_axis) + list(xz_plane)

        fxyz = [0., -Fy, 0.]
        mxyz = [0., 0., 0.]
        cid_new = CORD2R.add_op2_data(data=data)
        model = None

        fxyz_local, mxyz_local = TransformLoadWRT(fxyz, mxyz, cid0, cid_new,
                                                  model)
        r = array([Lx, Ly, Lz])
        F = array([0., -Fy, 0.])
        M = cross(r, F)
        self.assertTrue(array_equal(fxyz_local, F), 'expected=%s actual=%s' % (F, fxyz_local))
        self.assertTrue(array_equal(mxyz_local, M), 'expected=%s actual=%s' % (M, mxyz_local))
Ejemplo n.º 2
0
    def test_A(self):
        cid0 = CORD2R()
        Lx = 2.
        Ly = 0.
        Lz = 3.
        Fy = 1.
        origin = array([-Lx, 0., -Lz])
        z_axis = origin + array([0., 0., 1.])
        xz_plane = origin + array([1., 0., 1.])
        rid = 0
        data = [1, rid] + list(origin) + list(z_axis) + list(xz_plane)

        Fxyz = [0., -Fy, 0.]
        Mxyz = [0., 0., 0.]
        cid_new = CORD2R(data=data)
        model = None

        Fxyz_local, Mxyz_local = TransformLoadWRT(Fxyz, Mxyz, cid0, cid_new,
                                                  model, is_cid_int=False)

        r = array([Lx, Ly, Lz])
        F = array([0., -Fy, 0.])
        M = cross(r, F)
        self.assertTrue(array_equal(Fxyz_local,           F)), "expected=%s actual=%s" % (F, Fxyz_local)
        self.assertTrue(array_equal(Mxyz_local, cross(r, F))), "expected=%s actual=%s" % (M, Mxyz_local)