def test_SSME_Geometry(self):
"""test SSME Geometry"""
# SSME Geometry
G = Geometry(Rthrt=5.1527, CR=3.0, eps=77.5, LnozInp=121,
RupThroat=1.0, RdwnThroat=0.392, RchmConv=1.73921, cham_conv_deg=25.42,
LchmOvrDt=2.4842/2)
self.assertAlmostEqual(G.Vcham, 2192.66, places=1)
self.assertAlmostEqual(G.pcentBell, 80.6341, places=3)
G.plot_geometry(title='Geometry', png_name='', do_show=False, show_grid=True)
G.reset_attr('Rthrt', 2.0)
self.assertAlmostEqual(G('Rthrt'), 2, places=1)
from rocketisp.geometry import Geometry
# SSME Geometry
G = Geometry(Rthrt=5.1527,
CR=3.0,
eps=77.5,
LnozInp=121,
RupThroat=1.0,
RdwnThroat=0.392,
RchmConv=1.73921,
cham_conv_deg=25.42,
LchmOvrDt=2.4842 / 2)
G.plot_geometry(title='SSME Profile', png_name='ssme_geom.png', show_grid=True)
G.summ_print()