1 2---- Elastic-Plastic Torsion Problem ----- 3mx: 10 my: 10 4 5iter = 0, Function value -0.330579, Residual: 0.728961 6iter = 1, Function value -0.390667, Residual: 0.428718 7iter = 2, Function value -0.410884, Residual: 0.245953 8iter = 3, Function value -0.423513, Residual: 0.196625 9iter = 4, Function value -0.426263, Residual: 0.0946558 10iter = 5, Function value -0.427593, Residual: 0.018164 11iter = 6, Function value -0.427652, Residual: 0.023437 12iter = 7, Function value -0.427667, Residual: 0.0277179 13iter = 8, Function value -0.427702, Residual: 0.0211202 14iter = 9, Function value -0.42772, Residual: 0.0169243 15iter = 10, Function value -0.427743, Residual: 0.00352644 16iter = 11, Function value -0.427744, Residual: 0.0017635 17iter = 12, Function value -0.427744, Residual: 0.00231569 18iter = 13, Function value -0.427745, Residual: 0.000700499 19