** *SOLID SECTION,ELSET=Kasten,MATERIAL=Alu *SOLID SECTION,ELSET=Deckel,MATERIAL=Alu *SOLID SECTION,ELSET=Dichtung,MATERIAL=Elastomerdichtung *SOLID SECTION,ELSET=Luft,MATERIAL=Air *SOLID SECTION,ELSET=Luftbegrenzung,MATERIAL=Air 0.1, 25.00168, 33.20641, 18.45417 *BEAM SECTION,ELSET=Beam_Schraube,MATERIAL=Stahl,section=circ 5 0, -1, -1 *BEAM SECTION,ELSET=Beam_Scharnier,MATERIAL=Stahl,section=circ 5 *BEAM SECTION,ELSET=Beam_Gasfeder,MATERIAL=Stahl,section=circ 5 ** *SURFACE, TYPE=ELEMENT, NAME=Schale_Luft, TRIM=YES Schale_Luft,SPOS ** *SPRING, ELSET=Gasfeder 1, 1 10.0, 1.0 *ELEMENT, TYPE=SPRINGA, ELSET=Gasfeder 1, 2002, 2001 ** *MATERIAL,NAME=Alu *ELASTIC 70000.0, 0.33 *DENSITY 2.700e-09, *EXPANSION 1.200e-05, ** *MATERIAL,NAME=Stahl *ELASTIC 2.100e+05, 0.3 *DENSITY 7.850e-09, *EXPANSION 1.200e-05, ** *MATERIAL,NAME=Elastomerdichtung *ELASTIC 7.0, 0.4 *DENSITY 1.100e-09, *EXPANSION 1.200e-05, ** *MATERIAL, NAME=Air *ACOUSTICMEDIUM,BULKMODULUS 1.39e-1, *DENSITY 1.2e-12, ** **TIE, ID=1, LABEL="TIE_1" *TIE, NAME=TIE_1, POSITION TOLERANCE=0.05, ADJUST=NO Dichtung_Deckel,Deckel_Dichtung **TIE, ID=2, LABEL="TIE_2" *TIE, NAME=TIE_2, POSITION TOLERANCE=0.05, ADJUST=NO Dichtung_Kasten,Kasten_Dichtung **TIE, ID=3, LABEL="TIE_3" *TIE, NAME=TIE_3, POSITION TOLERANCE=0.05, ADJUST=NO Luft_Schale,Schale_Luft **TIE, ID=4, LABEL="TIE_4" *TIE, NAME=TIE_4, POSITION TOLERANCE=0.05, ADJUST=NO Luft_Modell,Model_Luft ** ** *AMPLITUDE, DEFINITION=TABULAR, NAME=FP1_X_REAL 1.0, 0.0 3000., 0.0 *AMPLITUDE, DEFINITION=TABULAR, NAME=FP1_X_IMAG 1.0, 0.0 3000., 0.0 ** *AMPLITUDE, DEFINITION=TABULAR, NAME=FP1_Y_REAL 1, 0.0 3000., 0.0 *AMPLITUDE, DEFINITION=TABULAR, NAME=FP1_Y_IMAG 1, 0.0 3000., 0.0 ** *AMPLITUDE, DEFINITION=TABULAR, NAME=FP1_Z_REAL 1, 3.0 3000., 3.0 *AMPLITUDE, DEFINITION=TABULAR, NAME=FP1_Z_IMAG 1, 0.0 3000., 0.0 ** ** *NSET, NSET=NOUT 241126, 241127, 241128, 241085, 241086, 241087, 241167, 241168, 241169, *ELSET, ELSET=EOUT 220138, 220139, 220180, 220181 ** *NSET, NSET=Anregung 27531, 27544, 29871, 29874, 31817, 31832, 33795, 35766, 35773, 38559, 38568, 41356, 43318, 43327, 48413, 48419, 61021, 61038, 61051, 74819, 74843, 79004, 79035, 95675, 95677, 95702, 95717, ** ************************************************************** ** STEP 1 ************************************************************** *STEP *FREQUENCY,SIM 50,5,3000 ** ** DEFINE PRIMARY BASE ** *BOUNDARY, TYPE=VELOCITY Lagerung_Kasten, 1, 3 ** ** ** DEFINE SECONDARY BASES ** *BOUNDARY, BASE NAME=FP_X, TYPE=VELOCITY Anregung, 1, 1 *BOUNDARY, BASE NAME=FP_Y, TYPE=VELOCITY Anregung, 2, 2 *BOUNDARY, BASE NAME=FP_Z, TYPE=VELOCITY Anregung, 3, 3 ** *OUTPUT, FIELD *NODE OUTPUT U, *ELEMENT OUTPUT S, ** *END STEP ************************************************************** ** STEP 2 ************************************************************** *STEP *STEADY STATE DYNAMICS, SUBSPACE PROJECTION, INTERVAL=EIGENFREQUENCY **LOWER LIMIT/SINGLE FREQ, UPPER LIMIT, NUMBER (>=2, if <2 or empty: default:20), BIAS, (FREQ SCALE FACTOR) 5,3000,20,1 ** *SELECT EIGENMODES, GENERATE, DEFINITION=MODE NUMBERS 1,50,1 ** *MODAL DAMPING,MODAL=DIRECT, DEFINITION=MODE NUMBERS **MODE NR LOWEST MODE, MODE NR HIGHEST MODE, FRACTION OF CRIT DAMP 1,50,0.03 ** **FP 1 **BASE MOTION ONLY WITHOUT THE DIRECT PARAMETER IN STEADY STATE DYNAMICS *BASE MOTION,TYPE=ACCELERATION,DOF=1, REAL, AMP=FP1_X_REAL, SCALE=1000, BASE NAME=FP_X *BASE MOTION,TYPE=ACCELERATION,DOF=1, IMAG, AMP=FP1_X_IMAG, SCALE=1000, BASE NAME=FP_X ** *BASE MOTION,TYPE=ACCELERATION,DOF=2, REAL, AMP=FP1_Y_REAL, SCALE=1000, BASE NAME=FP_Y *BASE MOTION,TYPE=ACCELERATION,DOF=2, IMAG, AMP=FP1_Y_IMAG, SCALE=1000, BASE NAME=FP_Y ** *BASE MOTION,TYPE=ACCELERATION,DOF=3, REAL, AMP=FP1_Z_REAL, SCALE=1000, BASE NAME=FP_Z *BASE MOTION,TYPE=ACCELERATION,DOF=3, IMAG, AMP=FP1_Z_IMAG, SCALE=1000, BASE NAME=FP_Z ** *OUTPUT, FIELD, OP=NEW, FREQUENCY=1 *NODE OUTPUT U,POR *ELEMENT OUTPUT S, ** *OUTPUT, HISTORY, OP=NEW *NODE OUTPUT, NSET=NOUT U, POR, *ELEMENT OUTPUT, ELSET=EOUT S, *END STEP **