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Python ReferenceFrame.set_ang_vel方法代码示例

本文整理汇总了Python中sympy.physics.vector.ReferenceFrame.set_ang_vel方法的典型用法代码示例。如果您正苦于以下问题：Python ReferenceFrame.set_ang_vel方法的具体用法？Python ReferenceFrame.set_ang_vel怎么用？Python ReferenceFrame.set_ang_vel使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类sympy.physics.vector.ReferenceFrame的用法示例。


在下文中一共展示了ReferenceFrame.set_ang_vel方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: test_point_funcs

# 需要导入模块: from sympy.physics.vector import ReferenceFrame [as 别名]
# 或者: from sympy.physics.vector.ReferenceFrame import set_ang_vel [as 别名]
def test_point_funcs():
    q, q2 = dynamicsymbols("q q2")
    qd, q2d = dynamicsymbols("q q2", 1)
    qdd, q2dd = dynamicsymbols("q q2", 2)
    N = ReferenceFrame("N")
    B = ReferenceFrame("B")
    B.set_ang_vel(N, 5 * B.y)
    O = Point("O")
    P = O.locatenew("P", q * B.x)
    assert P.pos_from(O) == q * B.x
    P.set_vel(B, qd * B.x + q2d * B.y)
    assert P.vel(B) == qd * B.x + q2d * B.y
    O.set_vel(N, 0)
    assert O.vel(N) == 0
    assert P.a1pt_theory(O, N, B) == ((-25 * q + qdd) * B.x + (q2dd) * B.y + (-10 * qd) * B.z)

    B = N.orientnew("B", "Axis", [q, N.z])
    O = Point("O")
    P = O.locatenew("P", 10 * B.x)
    O.set_vel(N, 5 * N.x)
    assert O.vel(N) == 5 * N.x
    assert P.a2pt_theory(O, N, B) == (-10 * qd ** 2) * B.x + (10 * qdd) * B.y

    B.set_ang_vel(N, 5 * B.y)
    O = Point("O")
    P = O.locatenew("P", q * B.x)
    P.set_vel(B, qd * B.x + q2d * B.y)
    O.set_vel(N, 0)
    assert P.v1pt_theory(O, N, B) == qd * B.x + q2d * B.y - 5 * q * B.z
开发者ID:guanlongtianzi，项目名称:sympy，代码行数:31，代码来源:test_point.py

示例2: test_point_funcs

# 需要导入模块: from sympy.physics.vector import ReferenceFrame [as 别名]
# 或者: from sympy.physics.vector.ReferenceFrame import set_ang_vel [as 别名]
def test_point_funcs():
    q, q2 = dynamicsymbols('q q2')
    qd, q2d = dynamicsymbols('q q2', 1)
    qdd, q2dd = dynamicsymbols('q q2', 2)
    N = ReferenceFrame('N')
    B = ReferenceFrame('B')
    B.set_ang_vel(N, 5 * B.y)
    O = Point('O')
    P = O.locatenew('P', q * B.x)
    assert P.pos_from(O) == q * B.x
    P.set_vel(B, qd * B.x + q2d * B.y)
    assert P.vel(B) == qd * B.x + q2d * B.y
    O.set_vel(N, 0)
    assert O.vel(N) == 0
    assert P.a1pt_theory(O, N, B) == ((-25 * q + qdd) * B.x + (q2dd) * B.y +
                               (-10 * qd) * B.z)

    B = N.orientnew('B', 'Axis', [q, N.z])
    O = Point('O')
    P = O.locatenew('P', 10 * B.x)
    O.set_vel(N, 5 * N.x)
    assert O.vel(N) == 5 * N.x
    assert P.a2pt_theory(O, N, B) == (-10 * qd**2) * B.x + (10 * qdd) * B.y

    B.set_ang_vel(N, 5 * B.y)
    O = Point('O')
    P = O.locatenew('P', q * B.x)
    P.set_vel(B, qd * B.x + q2d * B.y)
    O.set_vel(N, 0)
    assert P.v1pt_theory(O, N, B) == qd * B.x + q2d * B.y - 5 * q * B.z
开发者ID:AStorus，项目名称:sympy，代码行数:32，代码来源:test_point.py

示例3: test_w_diff_dcm

# 需要导入模块: from sympy.physics.vector import ReferenceFrame [as 别名]
# 或者: from sympy.physics.vector.ReferenceFrame import set_ang_vel [as 别名]
def test_w_diff_dcm():
    a = ReferenceFrame('a')
    b = ReferenceFrame('b')
    c11, c12, c13, c21, c22, c23, c31, c32, c33 = dynamicsymbols('c11 c12 c13 c21 c22 c23 c31 c32 c33')
    c11d, c12d, c13d, c21d, c22d, c23d, c31d, c32d, c33d = dynamicsymbols('c11 c12 c13 c21 c22 c23 c31 c32 c33', 1)
    b.orient(a, 'DCM', Matrix([c11,c12,c13,c21,c22,c23,c31,c32,c33]).reshape(3, 3))
    b1a=(b.x).express(a)
    b2a=(b.y).express(a)
    b3a=(b.z).express(a)
    b.set_ang_vel(a, b.x*(dot((b3a).dt(a), b.y)) + b.y*(dot((b1a).dt(a), b.z)) +
                     b.z*(dot((b2a).dt(a), b.x)))
    expr = ((c12*c13d + c22*c23d + c32*c33d)*b.x + (c13*c11d + c23*c21d + c33*c31d)*b.y +
           (c11*c12d + c21*c22d + c31*c32d)*b.z)
    assert b.ang_vel_in(a) - expr == 0
开发者ID:asmeurer，项目名称:sympy，代码行数:16，代码来源:test_frame.py

示例4: test_point_v1pt_theorys

# 需要导入模块: from sympy.physics.vector import ReferenceFrame [as 别名]
# 或者: from sympy.physics.vector.ReferenceFrame import set_ang_vel [as 别名]
def test_point_v1pt_theorys():
    q, q2 = dynamicsymbols("q q2")
    qd, q2d = dynamicsymbols("q q2", 1)
    qdd, q2dd = dynamicsymbols("q q2", 2)
    N = ReferenceFrame("N")
    B = ReferenceFrame("B")
    B.set_ang_vel(N, qd * B.z)
    O = Point("O")
    P = O.locatenew("P", B.x)
    P.set_vel(B, 0)
    O.set_vel(N, 0)
    assert P.v1pt_theory(O, N, B) == qd * B.y
    O.set_vel(N, N.x)
    assert P.v1pt_theory(O, N, B) == N.x + qd * B.y
    P.set_vel(B, B.z)
    assert P.v1pt_theory(O, N, B) == B.z + N.x + qd * B.y
开发者ID:guanlongtianzi，项目名称:sympy，代码行数:18，代码来源:test_point.py

示例5: test_point_a1pt_theorys

# 需要导入模块: from sympy.physics.vector import ReferenceFrame [as 别名]
# 或者: from sympy.physics.vector.ReferenceFrame import set_ang_vel [as 别名]
def test_point_a1pt_theorys():
    q, q2 = dynamicsymbols("q q2")
    qd, q2d = dynamicsymbols("q q2", 1)
    qdd, q2dd = dynamicsymbols("q q2", 2)
    N = ReferenceFrame("N")
    B = ReferenceFrame("B")
    B.set_ang_vel(N, qd * B.z)
    O = Point("O")
    P = O.locatenew("P", B.x)
    P.set_vel(B, 0)
    O.set_vel(N, 0)
    assert P.a1pt_theory(O, N, B) == -(qd ** 2) * B.x + qdd * B.y
    P.set_vel(B, q2d * B.z)
    assert P.a1pt_theory(O, N, B) == -(qd ** 2) * B.x + qdd * B.y + q2dd * B.z
    O.set_vel(N, q2d * B.x)
    assert P.a1pt_theory(O, N, B) == ((q2dd - qd ** 2) * B.x + (q2d * qd + qdd) * B.y + q2dd * B.z)
开发者ID:guanlongtianzi，项目名称:sympy，代码行数:18，代码来源:test_point.py

示例6: test_partial_velocity

# 需要导入模块: from sympy.physics.vector import ReferenceFrame [as 别名]
# 或者: from sympy.physics.vector.ReferenceFrame import set_ang_vel [as 别名]
def test_partial_velocity():

    N = ReferenceFrame('N')
    A = ReferenceFrame('A')

    u1, u2 = dynamicsymbols('u1, u2')

    A.set_ang_vel(N, u1 * A.x + u2 * N.y)

    assert N.partial_velocity(A, u1) == -A.x
    assert N.partial_velocity(A, u1, u2) == (-A.x, -N.y)

    assert A.partial_velocity(N, u1) == A.x
    assert A.partial_velocity(N, u1, u2) == (A.x, N.y)

    assert N.partial_velocity(N, u1) == 0
    assert A.partial_velocity(A, u1) == 0
开发者ID:jbm950，项目名称:sympy，代码行数:19，代码来源:test_frame.py

示例7: test_point_a1pt_theorys

# 需要导入模块: from sympy.physics.vector import ReferenceFrame [as 别名]
# 或者: from sympy.physics.vector.ReferenceFrame import set_ang_vel [as 别名]
def test_point_a1pt_theorys():
    q, q2 = dynamicsymbols('q q2')
    qd, q2d = dynamicsymbols('q q2', 1)
    qdd, q2dd = dynamicsymbols('q q2', 2)
    N = ReferenceFrame('N')
    B = ReferenceFrame('B')
    B.set_ang_vel(N, qd * B.z)
    O = Point('O')
    P = O.locatenew('P', B.x)
    P.set_vel(B, 0)
    O.set_vel(N, 0)
    assert P.a1pt_theory(O, N, B) == -(qd**2) * B.x + qdd * B.y
    P.set_vel(B, q2d * B.z)
    assert P.a1pt_theory(O, N, B) == -(qd**2) * B.x + qdd * B.y + q2dd * B.z
    O.set_vel(N, q2d * B.x)
    assert P.a1pt_theory(O, N, B) == ((q2dd - qd**2) * B.x + (q2d * qd + qdd) * B.y +
                               q2dd * B.z)
开发者ID:AStorus，项目名称:sympy，代码行数:19，代码来源:test_point.py

示例8: test_reference_frame

# 需要导入模块: from sympy.physics.vector import ReferenceFrame [as 别名]
# 或者: from sympy.physics.vector.ReferenceFrame import set_ang_vel [as 别名]
def test_reference_frame():
    raises(TypeError, lambda: ReferenceFrame(0))
    raises(TypeError, lambda: ReferenceFrame('N', 0))
    raises(ValueError, lambda: ReferenceFrame('N', [0, 1]))
    raises(TypeError, lambda: ReferenceFrame('N', [0, 1, 2]))
    raises(TypeError, lambda: ReferenceFrame('N', ['a', 'b', 'c'], 0))
    raises(ValueError, lambda: ReferenceFrame('N', ['a', 'b', 'c'], [0, 1]))
    raises(TypeError, lambda: ReferenceFrame('N', ['a', 'b', 'c'], [0, 1, 2]))
    raises(TypeError, lambda: ReferenceFrame('N', ['a', 'b', 'c'],
                                                 ['a', 'b', 'c'], 0))
    raises(ValueError, lambda: ReferenceFrame('N', ['a', 'b', 'c'],
                                              ['a', 'b', 'c'], [0, 1]))
    raises(TypeError, lambda: ReferenceFrame('N', ['a', 'b', 'c'],
                                             ['a', 'b', 'c'], [0, 1, 2]))
    N = ReferenceFrame('N')
    assert N[0] == CoordinateSym('N_x', N, 0)
    assert N[1] == CoordinateSym('N_y', N, 1)
    assert N[2] == CoordinateSym('N_z', N, 2)
    raises(ValueError, lambda: N[3])
    N = ReferenceFrame('N', ['a', 'b', 'c'])
    assert N['a'] == N.x
    assert N['b'] == N.y
    assert N['c'] == N.z
    raises(ValueError, lambda: N['d'])
    assert str(N) == 'N'

    A = ReferenceFrame('A')
    B = ReferenceFrame('B')
    q0, q1, q2, q3 = symbols('q0 q1 q2 q3')
    raises(TypeError, lambda: A.orient(B, 'DCM', 0))
    raises(TypeError, lambda: B.orient(N, 'Space', [q1, q2, q3], '222'))
    raises(TypeError, lambda: B.orient(N, 'Axis', [q1, N.x + 2 * N.y], '222'))
    raises(TypeError, lambda: B.orient(N, 'Axis', q1))
    raises(TypeError, lambda: B.orient(N, 'Axis', [q1]))
    raises(TypeError, lambda: B.orient(N, 'Quaternion', [q0, q1, q2, q3], '222'))
    raises(TypeError, lambda: B.orient(N, 'Quaternion', q0))
    raises(TypeError, lambda: B.orient(N, 'Quaternion', [q0, q1, q2]))
    raises(NotImplementedError, lambda: B.orient(N, 'Foo', [q0, q1, q2]))
    raises(TypeError, lambda: B.orient(N, 'Body', [q1, q2], '232'))
    raises(TypeError, lambda: B.orient(N, 'Space', [q1, q2], '232'))

    N.set_ang_acc(B, 0)
    assert N.ang_acc_in(B) == Vector(0)
    N.set_ang_vel(B, 0)
    assert N.ang_vel_in(B) == Vector(0)
开发者ID:asmeurer，项目名称:sympy，代码行数:47，代码来源:test_frame.py


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