Пример #1
0
              parent=basecase,
              data={"desc": "This is the 1st child loadcase."})
gc1 = Premise("gchild lc1",
              parent=lc1,
              data={"desc": "This is the 1st child loadcase."})
lc2 = Premise("Load case 2",
              parent=basecase,
              data={"desc": "This is the 2nd child loadcase."})

basecase.plugin_func("pressure_containment_all", "pdover2t.dnvgl_st_f101")

lc1.rho_cont = np.linspace(100, 1000, 10)
print("lc1.rho_cont", lc1.rho_cont)
resdict = lc1.pressure_containment_all()
print(resdict["p_cont_uty"])

lc1_pcont = Premise("GROUP: lc1 press contain",
                    parent=lc1,
                    data={"desc": "Group lc1 pressure contain calcs."})
_uty = lc1_pcont.pressure_containment_all(rho_cont=100)
print("lc1_pcont (rho_cont=100) ", _uty)

lc2_pcont = Calc("CallNode: lc2 press contain",
                 parent=lc2,
                 data={"desc": "Group lc2 pressure contain calcs."},
                 funcname="pressure_containment_all")
lc2_pcont.rho_cont = np.linspace(100, 1000, 10)
lc2_pcont()

basecase.savefile()
Пример #2
0
    lc1_unity = Calc("Stress unity check",
                     lc1_pstress,
                     funcname="allowable_stress_unity_check",
                     argmap={
                         "sigma": "_pipe_hoop_stress",
                         "allowable": "ys",
                         "df": "design_factor",
                     })
    # lc2 = Premise("LoadCase2, pressure 20 bar.", basecase)
    # lc3 = Premise("LoadCase3, pressure 25 bar.", basecase,
    #                 parameters={
    #                     "P": 25 * 10**5,  # pipe internal pressure in Pa
    #                 }    )
    lc2 = basecase.add_child(lc1.copy())
    lc2.name = "LoadCase2, pressure 20 bar."
    lc2.P = 20 * 10**5
    lc3 = basecase.add_child(lc1.copy())
    lc3.name = "LoadCase3, pressure 25 bar."
    lc3.P = 25 * 10**5

    for _n in basecase:
        if callable(_n):
            _n()

    basecase.savefile(study_file)

if OPEN_EXISTING_STUDY:
    print(f"Open Existing study from `pflacs` file «{study_file}».")
    #print("locals()", locals())
    basecase = Premise.openfile(study_file)
Пример #3
0
base.plugin_func(seawater.dens)
base.add_param("rho_seawater_check", desc="calculated water density (kg/m3)")
base.rho_seawater_check = base.dens()
print(
    f'{base.get_param_desc("rho_seawater_check")} = {base.rho_seawater_check}')
if base.rho_seawater != base.rho_seawater_check:
    print(
        f"Warning: calculated seawater density {base.rho_seawater_check} not equal to assumed value {base.rho_seawater}."
    )

base.plugin_func(numpy.interp,
                 argmap={
                     "x": "S",
                     "xp": "salinities",
                     "fp": "densities"
                 },
                 newname="interp_water_density")

base.add_param("salinities", desc="water salinity range")
base.add_param("densities", desc="water density range")
base.salinities = numpy.linspace(30, 40, 11)
base.densities = base.dens(S=base.salinities)

rho_interp = base.interp_water_density()
print(f"Interpolated water density = {rho_interp}, for salinity = {base.S} ")

rho_interp = base.interp_water_density(S=39.5)
print(f"Interpolated water density = {rho_interp}, for salinity = 39.5 ")

base.savefile("external_libs_test.pflacs")
Пример #4
0
                parameters={
                    "KP": [0.3, 15.0],
                    "h_l": -420,
                    "LC": 1,
                    "D": 0.6172 + 2*0.0242,
                    "t": 0.0242,
                },
                data={"desc": "P-01 section 2, KP 0.3-15."})

P01_3 = Premise("P-01 section 3, KP 15-79.7", 
                parent=P01,
                parameters={
                    "KP": [15.0, 79.7],
                    "LC": 1,
                    "D": 0.6172 + 2*0.0214,
                    "t": 0.0214,
                },
                data={"desc": "P-01 section 3, KP 15-79.7."})

rootnode.plugin_func("pressure_containment_all", "pdover2t.dnvgl_st_f101")
rootnode.plugin_func("pipe_collapse_all", "pdover2t.dnvgl_st_f101")

lc1_cont = Calc("Calc: lc2 press contain", parent=P01_1, 
                parameters={
                    "h_l": -370,
                },
                data={"desc": "Group lc2 pressure contain calcs."},
                funcname="pressure_containment_all") 

rootnode.savefile()