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1)  CN-MARC form
CN-MARC格式
2)  MARC format
MARC格式
1.
Researches on the cataloguing of network resources by use of MARC format;
利用MARC格式对网络信息资源编目的研究
2.
Based on its excessive,speedy and unexhausted feature,this paper analyzes the types of the network information resource,dissertates the advantage and necessity of the use of MARC format in the cataloguing and concludes that MARC format will be the effective way of organizing network information resources.
面对生得多、长得快、不可枯竭的网络信息资源,分析网络信息资源的类型及特点,论述了图书馆用MARC格式对网络信息资源编目的优势及必要性,从而得出MARC格式将是组织网络信息资源的有效方式。
3.
From the angle of practice and combination of theory with practice,this paper has expounded the concept of extracted literature resource and its cataloging in CNMARC format.
从实用的角度,理论联系实际,论述了析出文献的概念及其MARC格式机读目录的编制。
3)  marc format convesion
MARC格式转换
4)  MARC format cataloguing
MARC格式编目
5)  Crank-Nicholson(CN) difference scheme
CN差分格式
6)  MSC-Marc implicit method
MSC-Marc隐式算法
补充资料:ANSYS模型转到MSC.MARC

!ANSYS命令流
! 写单元及节点数据文件
! 作者:陆新征,清华大学土木系
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!选中所有单元
ALLSEL,ALL
! 得到当前模型中的总节点数
*GET,NNode,NODE,,COUNT, , , ,
!输出节点
*CFOPEN,Node,txt
*VWRITE
('coordinates')
*VWRITE,chrval(3),chrval(NNode),chrval(0),chrval(1)
(4A5)
*DO,I,1,NNode
*VWRITE,I,NX(I),NY(I),NZ(I)
(F8.0,3F13.5)
*ENDDO
*CFCLOS


!打开单元文件
*CFOPEN,ELEM,txt
!得到所有单元数
ESEL,S,ENAME,,65
ALLSEL,ALL
*GET,NElem,ELEM,,COUNT, , , ,
*VWRITE,chrval(NElem)
('Number of Element: ', A8)
!对单元集进行循环
*DO,I,1,NElem
!得到当前单元的类型
*GET,ENAME,ELEM,I,ATTR,ENAM
!如果是65号(65号单元)
*IF,ENAME,EQ,65,THEN
!得到该单元的节点编号
*GET,EN1,ELEM,I,NODE,1
*GET,EN2,ELEM,I,NODE,2
*GET,EN3,ELEM,I,NODE,3
*GET,EN4,ELEM,I,NODE,4
*GET,EN5,ELEM,I,NODE,5
*GET,EN6,ELEM,I,NODE,6
*GET,EN7,ELEM,I,NODE,7
*GET,EN8,ELEM,I,NODE,8
*VWRITE,I,EN1,EN2,EN3,EN4,EN5,EN6,EN7,EN8
(F8.0,8F8.0)
*END IF
*ENDDO
*CFCLOS



!Fortran程序,把ansys结果转换为MARC模型文件格式
program main
implicit none;
integer Key;
write(*,*) "Input 1 for node, 2 for element"
read(*,*) Key
if (Key==1) then
call Node_IO()
end if
if (Key==2) then
call Elem_IO()
end if
stop
end program


subroutine Node_IO()
implicit none
integer NNode,I, J
real*8,pointer :: Node(:,:)
real*8 x;
character :: filename*10;
write(*,*) "Please input node filename"
read(*,'(A10)') filename
open(66,file=filename)
read(66,*) NNode
allocate (Node(NNode,3))
do I=1,NNode
read(66,*) x, (Node(I,J), J=1,3)
end do
close (66)
filename=filename//"NEW"
open (66,file=filename)
write(66,'(4I10)') 3, NNode, 0, 1
do I=1, NNode
write(66,'(I10, 3E20.8)') I, (Node(I,J), J=1,3)
end do
close (66)
return
end subroutine Node_IO


subroutine Elem_IO()
implicit none
integer NElem,NumNode,ElemTyp,I, J
integer,pointer :: Elem(:,:)
real*8 x;
real*8,pointer :: y(:)
character :: filename*10, outformat*11,CharEtype;
write(*,*) "Please input node filename"
read(*,'(A10)') filename
write(*,*) "Please input Element type & Number of Nodes per element"

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