apdl 諧振響應曲線不是想要的樣子，怎樣提取響應頻率下的振型？
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/config,nres,50000 l=500 !鋼軌長度m a=1.25 !支承間距m le=0.125 !單元長度 ne=l/le !ne of rail nk=l/a !跨數 jld=2006 ! 加力節點 /PREP7 !*******************element ET,1,beam188 !establish rail element beam188 ET,2,COMBIN14,,,1 !spring under rail !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!if rail beam188 read beam *******Timo SECTYPE,6,BEAM,MESH, SECOFFSET,CENT,,, SECREAD,beam,sect,,MESH !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! R,2,1.78e8,1e2 !spring under ganggui 10e6,4.0e6 !materials MP,EX,1,2.059e11 !定義鋼軌彈性模量 MP,PRXY,1,0.3 !定義鋼軌泊松比 MP,DENS,1,7.83e3 !定義鋼軌密度 !rail model and mesh N,1,0,0 !defination rail node(first point) N,ne+1,0,0,l !last point of rail/total length of rail FILL type,1 real,1 mat,1 SECNUM,6 *do,i,1,ne !establish rail element(rail have 2430 (or 810)element) E,i,i+1 *enddo N,9001,0.2,0 !poistion of formation node N,9001+nk,0.2,0,l FILL !establish formation element TYPE,2 REAL,2 *do,i,1,1+nk e,10*(i-1)+1,i+9000 *enddo !*****************************************************yueshu D,1,ALL !bounding start point of rail D,ne+1,ALL !bounding end point of rail *DO,i,9001,9001+nk D,i,all *enddo !*****************************************************yueshu /SOLU ANTYPE,HARMIC ! Harmonic response analysis HROPT,FULL !FULL - Full method (default).REDUC - Reduced method,MSUP - Mode superposition method HROUT,off !Print results as amplitudes and phase angles LUMPM,0 !1? EQSLV,FRONT,1e-008, PSTRES,0 !pre-stress ALPHAD,0, BETAD,0, DMPRAT,0.01, HARFRQ,0,2000, NSUBST,500, outres,all,all ! KBC,1 !adding force point jld F,jld,Fx,10000, !!!%%!!!! value of force (one axle load of metro train) SOLVE finish
截面名稱為beam.sect,但是截面文件傳不上來
