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HyperView Python 二次开发之碰撞分析一键求取OLC

2026-08-21 10:56:41

车辆碰撞仿真工程师，在结果计算完成模型验证准确合理后，需求读取B柱下端加速度，OLC是评价车辆减/加速度波形对乘员载荷影响的核心指标。

此篇是学会怎样在hyperview中使用二次开发功能自动求取OLC。

# 指定文件路径import osdir_path = r"E:\temp\OLC"file_name = "binout"file_path = os.path.join(dir_path,file_name)#def calculate_olc (file_source,nodeid):    import hw    import hw.hg as hg#  设置激活的窗口为 plot    ses = hw.Session()    new_page = hw.Page(layout=0,title='OLC')    new_page_id = new_page.id    ses.setActive(hw.Page,id = new_page_id)    page = ses.get(hw.Page)    page_id = page.id#win = ses.get(hw.Window)    win = ses.get(hw.Window,window = 1)    win.type = "xy"# read acc curve    curve1 = hg.CurveXY(            xFile=file_source,            xSource="file",            xSubcase="nodout",            xDataType="Time",            xRequest="Time",            xComponent="Time",            yFile=file_source,            ySource="file",            ySubcase="nodout",            yDataType="nodout",            yRequest=nodeid,            yComponent="x_acceleration",            label="ACC original no filter",            visibility=False        )    curve1_id = curve1.id# acc curve filterprint(f"p{page_id}w1c1.x")print(f"saefilt95(p{page_id}w1c1.x,p{page_id}w1c1.y,60,1,3)")    curve2 = hg.CurveXY(            xSource="math",            xExpression=f"p{page_id}w1c1.x",            ySource="math",            yExpression=f"saefilt95(p{page_id}w1c1.x,p{page_id}w1c1.y,60,1,3)",            label="ACC",            visibility=False        )    curve2_id = curve2.id# calculate velocity curve    curve3 = hg.CurveXY(            xSource="math",            xExpression=f"p{page_id}w1c1.x",            ySource="math",            yExpression=f"-1*(integral(p{page_id}w1c2.x,p{page_id}w1c2.y)-13.89)",            label="Velocity"        )    curve3_id = curve3.id        curve4 = hg.CurveXY(            xSource="math",            xExpression=f"olc(p{page_id}w1c3.x,p{page_id}w1c3.y,2)",            ySource="math",            yExpression=f"olc(p{page_id}w1c3.x,p{page_id}w1c3.y,3)",            label="OLC"        )    curve4_id = curve4.id    line1 = f'{{olc(p{page_id}w1c3.x,p{page_id}w1c3.y,0,1)}}'    line2 = f'{{olc(p{page_id}w1c3.x,p{page_id}w1c3.y,0)}}'    line3 = f'{{olc(p{page_id}w1c3.x,p{page_id}w1c3.y,1)}}'    line4 = f'{{olc(p{page_id}w1c3.x,p{page_id}w1c3.y,2)}}'    line5 = f'{{olc(p{page_id}w1c3.x,p{page_id}w1c3.y,3)}}'    line6 = f'{{olc(p{page_id}w1c3.x,p{page_id}w1c3.y,4)}}'    line7 = f'{{olc(p{page_id}w1c3.x,p{page_id}w1c3.y,5)}}'    line8 = f'{{olc(p{page_id}w1c3.x,p{page_id}w1c3.y,6)}}'    line9 = f'{{olc(p{page_id}w1c3.x,p{page_id}w1c3.y,7)}}'    note = hg.Note(        attachTo="view",        text= (        f"High Precision\n"        f"-------------\n"        f"OLC = {line1}\n"        f"Low Precision without optional four arguments\n"        f"--------------------------------------------\n"        f"OLC = {line2}\n"        f"OLC++ = {line3}\n"        f"OLC curve X (time) vector = {line4}\n"        f"OLC curve Y (velocity) vector = {line5}\n"        f"Time at V=0 value = {line6}\n"        f"SM25 OLC function= {line7}\n"        f"V0 value = {line8}\n"        f"OLC, OLC++, TV0, SM25, and V0 values = {line9}"        ),        notePosition = [1,0]      )#def set_X_axis (label,fontsize):    import hw    import hw.hg as hg#  设置激活的窗口为 plot    ses = hw.Session()    h = ses.get(hg.AxisHorizontal)    h.text = label    h.fontSize = fontsize    h.ticFontSize = fontsizedef set_Y_axis (label,fontsize):    import hw    import hw.hg as hg#  设置激活的窗口为 plot    ses = hw.Session()    v = ses.get(hg.AxisVertical)    v.text = label    v.fontSize = fontsize    v.ticFontSize = fontsizecalculate_olc(file_path,"68000026")set_X_axis("Time",20)set_Y_axis("Velocity",20)