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DEFINE_UDS_UNSTEADY(unsteady_energy_solid,c,t,i,apu,su) { real physical_dt, vol, phi_old; physical_dt = RP_Get_Real("physical-time-step" ;vol= C_VOLUME(c,t); *apu=-vol*rhos*(1-phi)/physical_dt; /*implicit part*/ phi_old=C_STORAGE_R(c,t,SV_UDSI_M1(i)); *su =vol*rhos*(1-phi)*phi_old/physical_dt; /*explicit part*/ } ³ÌÐòÖÐphysical_dt, vol, phi_old¶¼´ú±íʲôÒâ˼£¿ÊÇÌØÊâ¹æ¶¨Â𣿴󲿷ֶ¼ÊÇÕâÑùдµÄ£¬Óеط½²éµ½Â𣿻¹ÓÐapuºÍsuÖ¸ÕëºóÃæÄÚÈݶ¼ÊÇʲô°¡£¬¸Õ½Ó´¥UDF£¬²»Ì«¶®¡£ |
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