Residual vector options placed in the case control and more options provided.
	Reciprocal panel contributions added to give panel contributions for structural response due to an acoustic excitation.
	Modal contributions for acoustic response can be further subdivided into modal contributions by panels.
	Mode selection control (MODSEL) enabled to operate on subcase level.
	The TZERO option for transient initial conditions extended to support direct transient solution (SOL 109) and differential stiffness.
	Flex body export (MBDEXPORT) for the state-space format extended to give acceleration response variables in addition to the existing displacement and velocity response variables.
	Improved accuracy for solutions with frequency dependent element stiffness and modal damping.

	Support linear and parabolic plane stress (CPLSTSx) and plane strain elements (CPLSTNx) in more solutions.
	New 2D edge load support.
	Non-linear materials support for solid parabolic elements in SOL 106 and 129.
	Pyramid elements (CPYRAM) can be used with hyperelastic materials in SOL 106 and 129.
	Support composite material definitions for solid Hex and Penta elements.
	Easier material coordinate system definitions for solid elements.

	External superelement geometry written to system OP2 file to support post-processing in NX.
	Control of loads on external superelements improved for the system analysis.
	DOF definition for external superelements in SOL101 made consistent with SOL 103.

	Support contact for inertia relief solutions.
	Improved accuracy for contact pressure output.

	Glue traction output supported.
	Improved accuracy for connected surfaces with very small separation.
	Performance improved for models with vary large number of element connection faces.

	Support variable thickness for plane stress elements.
	Support edge load for plane stress/strain elements.
	Added visco-elastic properties for both hyperelastic and non-hyperelastic materials.
	Support Mullins effect with hyperelastic material.
	Support combined creep with elastic/plastic strain.
	Support new material orientation input for orthotropic materials.
	Support CBUSH element.
	Support direct input of stiffness and mass matrices with DMIG input.

	Support frequency dependent properties of PBUSHT, PELAST and PDAMPT elements as design variables.
	Improve accuracy of optimization with beam section design variables.
	Update OP2 data blocks to include design cycle information.

	Low-rank structural damping performance improved.
	Factor caching enhanced for improved modal solution performance.
	Improved timing constants for SMP solutions.

	Added support for frequency response optimization with SOL 200 using RDMODES solution.
	Added support for SOL 112 and restarts for SOL 111 and SOL 112 with RDMODES solution.
	RDMODES Schur complement performance improved in the partition phase.

Hardware     Executable Type    Supported OS           1st Supported Rel.
--------     ---------------    ------------           ------------------

IBM           64-bit             AIX 5.2                       1.0
IBM           64-bit DMP         AIX 5.2                       3.0
IBM           64-bit             AIX 5.3.0                     1.0
IBM           64-bit DMP         AIX 5.3.0                     3.0
IBM           64-bit             AIX 6.1.0                     6.0
IBM           64-bit DMP         AIX 6.1.0                     6.0     

IBM           ILP-64             AIX 5.2                       4.0
IBM           ILP-64 DMP         AIX 5.2                       4.0
IBM           ILP-64             AIX 5.3.0                     4.0
IBM           ILP-64 DMP         AIX 5.3.0                     4.0
IBM           ILP-64             AIX 6.1.0                     6.0
IBM           ILP-64 DMP         AIX 6.1.0                     6.0

Intel X86     32-bit             Windows XP SP3                7.0
Intel X86     32-bit             Windows Vista 32 SP2**        6.0
Intel X86     32-bit             Windows Windows 7 ***         7.0
Intel X86     32-bit             Windows Windows 7 SP1 ***     7.0
Intel X86     32-bit             Windows Server 2008           7.0

Intel x86-64  LP-64*             SuSE ES 10.0 SP2              8.0
Intel x86-64  LP-64* DMP*        SuSE ES 10.0 SP2              8.0
Intel x86-64  LP-64*             SuSE ES 11.0                  7.1
Intel x86-64  LP-64* DMP*        SuSE ES 11.0                  7.1
Intel x86-64  LP-64*             SuSE ES 11.0 SP1              8.0
Intel x86-64  LP-64* DMP*        SuSE ES 11.0 SP1              8.0
Intel x86-64  LP-64*             Redhat EL 5.0                 5.1
Intel x86-64  LP-64 DMP*         Redhat EL 5.0                 5.1
Intel x86-64  LP-64*             Redhat EL 6.0                 8.0
Intel x86-64  LP-64 DMP*         Redhat EL 6.0                 8.0 

Intel x86-64  ILP-64*            SuSE ES 10.0 SP2              8.0
Intel x86-64  ILP-64* DMP*       SuSE ES 10.0 SP2              8.0
Intel x86-64  ILP-64*            SuSE ES 11.0                  7.1
Intel x86-64  ILP-64* DMP*       SuSE ES 11.0                  7.1
Intel x86-64  ILP-64*            SuSE ES 11.0 SP1              8.0
Intel x86-64  ILP-64* DMP*       SuSE ES 11.0 SP1              8.0
Intel x86-64  ILP-64*            Redhat EL 5.0                 5.1
Intel x86-64  ILP-64 DMP*        Redhat EL 5.0                 5.1
Intel x86-64  ILP-64*            Redhat EL 6.0                 8.0
Intel x86-64  ILP-64 DMP*        Redhat EL 6.0                 8.0
Intel x86-64  LP-64*             Windows XP64 SP2              7.0
Intel x86-64  LP-64 DMP*         Windows XP64 SP2              7.0
Intel x86-64  LP-64*             Windows Vista 64 SP2**        8.0
Intel x86-64  LP-64 DMP*         Windows Vista 64 SP2**        8.0     
Intel x86-64  IP-64*             Windows Server 2008           7.0     
Intel x86-64  LP-64 DMP*         Windows Server 2008           7.0
Intel x86-64  IP-64*             Windows Server 2008 SP2       8.0     
Intel x86-64  LP-64 DMP*         Windows Server 2008 SP2       8.0
Intel x86-64  IP-64*             Windows Server 2008 R2        8.0     
Intel x86-64  LP-64 DMP*         Windows Server 2008 R2        8.0
Intel x86-64  LP-64*             Windows 7 ***                 7.0     
Intel x86-64  LP-64 DMP*         Windows 7 ***                 7.0
Intel x86-64  LP-64*             Windows 7 SP1***              8.0     
Intel x86-64  LP-64 DMP*         Windows 7 SP1***              8.0
Intel x86-64  ILP-64*            Windows XP64 SP2              7.0
Intel x86-64  ILP-64 DMP*        Windows XP64 SP2              7.0
Intel x86-64  ILP-64*            Windows Vista 64 SP2**        8.0     
Intel x86-64  ILP-64 DMP*        Windows Vista 64 SP2**        8.0
Intel x86-64  IIP-64*            Windows Server 2008           7.0     
Intel x86-64  ILP-64 DMP*        Windows Server 2008           7.0
Intel x86-64  IIP-64*            Windows Server 2008 SP2       8.0     
Intel x86-64  ILP-64 DMP*        Windows Server 2008 SP2       8.0
Intel x86-64  IIP-64*            Windows Server 2008 R2        8.0     
Intel x86-64  ILP-64 DMP*        Windows Server 2008 R2        8.0
Intel x86-64  ILP-64*            Windows 7 ***                 7.0     
Intel x86-64  ILP-64 DMP*        Windows 7 ***                 7.0
Intel x86-64  ILP-64*            Windows 7 SP1***              8.0     
Intel x86-64  ILP-64 DMP*        Windows 7 SP1***              8.0

	As communicated previously NX NASTRAN 7.0 ends the support of the HP-UX (PA-RISC), Sun Solaris, and 32-bit Linux platforms: http://support.ugs.com/docs/nastran/v60/nxn_platform_support_nxn6.pdf
	Support for SGI IRIX was discontinued with the NX NASTRAN 6.0 release per this announcement: http://support.ugs.com/docs/nastran/v50/nxn_platform_support.pdf
	*X86-64 refers to the the various 64bit Intel chips including, but not limited to, the 64bit Pentium D, the Core 2 Duo, Core 2 Quad, and the 64bit Xeon series of processors.
	**Supported versions of Microsoft Vista are limited to Vista Business and Vista Enterprise. All testing was performed using Vista Enterprise.
	***Supported versions of Microsoft Windows 7 are limited to Windows 7 Pro and Windows 7 Enterprise. All testing was performed using Windows 7 Enterprise.

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