Nastran f06文件常见问题
作者： 蒲映超
*** USER FATAL MESSAGE 350 (IFS350)
THE FOLLOWING GRID OR SCALAR POINTS ARE SPECIFIED MORE THAN ONCE ON THE BULK DATA ENTRY SHOWN BELOW:
13557
*** USER FATAL MESSAGE 316 (IFPDRV)
ILLEGAL DATA ON BULK DATA ENTRY CBAR
CBAR 30950 243 13557 13557 0. 1. 0.
*** USER FATAL MESSAGE 350 (IFS350)
THE FOLLOWING GRID OR SCALAR POINTS ARE SPECIFIED MORE THAN ONCE ON THE BULK DATA ENTRY SHOWN BELOW:
64853
*** USER FATAL MESSAGE 316 (IFPDRV)
ILLEGAL DATA ON BULK DATA ENTRY CBAR
CBAR 68597 243 64853 64853 0. 1. 0.
CBAR 68597 243 64853 64853 0. 1. 0. 表示BAR单元68597中两个节点64853 64853 重合。
*** USER FATAL MESSAGE 1019 (OPNPFL) （不要放在桌面上面）
FORTRAN UNIT OPEN ERROR
IOSTAT = 2, No such file or directory (errno=2)
LOGICAL = INPUT FILE = c:/documents and settings/new//9.bdf
*** USER FATAL MESSAGE 2026 (EMG)
ELEMENT 35342 GEOMETRY YIELDS UNREASONABLE MATRIX.(说明你的几何建立的不合理，比如三角形太尖，BAR单元瞎整的。解决方法:找到单元号码，看几何怎么样，属性有没有问题，BAR单元的生长方向对不对)
*** USER FATAL MESSAGE 2026 (EMG)
ELEMENT 35330 GEOMETRY YIELDS UNREASONABLE MATRIX.
*** USER FATAL MESSAGE 2026 (EMG)
ELEMENT 35333 GEOMETRY YIELDS UNREASONABLE MATRIX.
*** USER FATAL MESSAGE 2026 (EMG)
ELEMENT 35336 GEOMETRY YIELDS UNREASONABLE MATRIX.
*** USER FATAL MESSAGE 2026 (EMG)
ELEMENT 35339 GEOMETRY YIELDS UNREASONABLE MATRIX.
*** USER FATAL MESSAGE 2026 (EMG)
ELEMENT 35342 GEOMETRY YIELDS UNREASONABLE MATRIX.
*** USER FATAL MESSAGE 2026 (EMG)
ELEMENT 35363 GEOMETRY YIELDS UNREASONABLE MATRIX.
*** USER FATAL MESSAGE 2026 (EMG) 删除单元 3536335342
*** USER FATAL MESSAGE 4558 (ETR3D)
INAPPROPRIATE GEOMETRY OR INCORRECT MATERIAL DATA（还是几何建立的有问题，注意三角形单元，BAR单元不要与其他冲突）
SPECIFIED FOR ELEMENT WITH ID = 59416.SUBROUTINE REASON IS NUMBER 1.
*** USER FATAL MESSAGE 4558 (ETR3D)
INAPPROPRIATE GEOMETRY OR INCORRECT MATERIAL DATA
SPECIFIED FOR ELEMENT WITH ID = 59416.SUBROUTINE REASON IS NUMBER 1.
*** SYSTEM FATAL MESSAGE 6357 (SEP1A)
NO GRID POINTS FOUND
发现原因是生成的bdf文件里，没有完整的输出op2文件名
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