CST Studio Suite 2025 SP2 更新安装包分享

CST Studio Suite（下文中简称为CST） 是达索公司旗下的一款先进的电磁场仿真软件，它广泛应用于电磁领域的各个方面，尤其在无线通信、射频（RF）设计、电子元件、天线设计、微波工程以及高速电子和电气系统的设计与优化中具有重要作用。作为一款多物理场仿真工具，CST 可以为工程师提供全面且高效的电磁仿真解决方案，支持从静电场到光学频段的各种电磁现象分析。

目前最新的 CST Studio Suite 2025 已发布了 SP2 更新补丁，更新亮点如下：

General / 3D Modeling

• Upgraded 3D CAD import to support the latest import versions. New Feature!

• Adjusted locking behavior, if Mesh Fusion dialog box is directly closed.

• Corrected selection behavior in navigation tree if a new 1D result folder is created.

• Allow to export to DXF, Gerber and GDSII files without the need to select the shapes.

• Added support for HFSS import based on .AEDT and .SAB files.

• Fixed issue that message box might pop up when switching project sheets.

System Assembly and Modeling (SAM)

• The assembly modeler no longer prevents the ‘DEL’ key from working in the navigation tree.

EDA Import / EDA Tools

• Gerber Import: fixed import of aperture macro.

• Enhanced surface roughness setup in EDA stackup dialog box. Now a different roughness is possible on top and bottom sides of layers. Can be set layer wise and net wise. Extended the Python API. New Feature!

Distributed Computing (DC)

• Switch automatically to proxy mode for status connection if frontend cannot login to Solver Server. Prevent abort of solver in this case.

• Fixed abort of distributed optimizer run.

• Fixed DistributedComputing with SharedDirectory for SimulationProjects.

• Copy Export_Parametric folder for distributed parameter sweeps.

Post-Processing

• Fixed handling of transient results in Result3D.

• Fixed HDF5 export of CIR/PIC/TRK results.

• Improved ASCII export format for CIR results.

• Fixed wrong time values in field export of PIC position and PIC 2D results.

Visualization

• Fixed broken cutting plane for voxel models.

• Introduced stepped mode for Free color ramp. New Feature!

• Fixed Maximum time field monitor displayed on wrong surface.

• Fixed Export Field Plot to 3DEXPERIENCE.

• Improved cut plane behavior.

Non-parametric Optimization

• Feature the optimization over multiple operation points in the presence of eligible parameters.

High-Performance Computing (HPC)

• Added HPC Job Submission FE. New Feature!

• Disabled LSF CPU-GPU affinity for cluster utility scripts.

• Fixed queue/solver choice issue for HPC VBA macro.

Hexahedral (Hex) Mesh

• Improved memory estimation for calculation of matrix coefficients.

• Improved robustness for PBA/TST calculation.

• Fixed inconsistent PBA/TST setup.

• Improved check for CAD model insanities.

• Fixed numerical issue when calculating triangle-triangle intersections.

Tetrahedral (Tet) Mesh

• Reduced memory consumption during mesh creation.

CST Microwave Studio – General

• Fixed result template ‘Convert all 1D Results from Frequency To Wavelength’ for certain 1D result names.

CST Microwave Studio – Transient Solver (FIT)

• Floquet modes correctly consider TE/TM type when calculating s-parameters.

• Line impedance adaptation performs broadband sweep as soon as error criterion is met once.

CST Microwave Studio – Frequency Domain Solver (Tetrahedral Mesh)

• Fixed consideration of user-defined probe groups as convergence criteria in the mesh adaptation and in the broadband sweep.

• Fixed the parameter sweep in some special configurations.

• Improved the mesh refinement in presence of inhomogeneous materials.

• Fixed for field monitors in context of dispersive materials, fast reduced order model sweep.

• Fixed for low-frequency stabilization in context with surface roughness, fast reduced order model sweep.

CST Microwave Studio – Integral Equation Solver

• Added mixed solver order support for thin wire simulations. New Feature!

• Corrected solver settings, which were sometimes incorrect after a parameter change.

• Fixed performance issue with nearfield probe calculation.

• Fixed problem with different result at the same sampling point for RCS sweep.

• Added error handling when adaptive mesh refinement and wire mesh is combined.

CST Cable Studio

• Inserted missing flipping of single wire cables.

• Notify user interface when manually overwriting existing cable port via history list.

• Fixed visualization of cross sections for cables with drain wire.

• Fixed persistence of auto connect REF to 3D in the history list.

CST EM Studio – Partial RLC Solver

• Warn that nonlinear permeability is ignored by the solver.

CST Mphysics – General

• Fixed unit in Message window for relative permittivity (Drift-Diffusion Solver).

• Improved and stabilized convergence of Drift-Diffusion Solver.

CST Mphysics – Conjugated Heat Transfer Solver

• Fixed missing snapping tab in local mesh refinement dialog for the CHT Solver.

• Fixed thermal interface material on temperatures sources being ignored.

• Improved handling of dynamic axial fan intersections with solids.

• Support reloading of octree grids with more than 53M cells.

• Improved convergence for cases involving fluid cavities with high Prandtl number.

Spark3D

• Spark3D Task results are now invalidated if the associated Simulation Project changes.

• Fixed Spark3D Task error when running a Sweep task.

Fest3D

• Fixed issue in Fest3D GUI when connecting waveguide ports to Lat Coupling Cyl Cavity or Circular T junction elements.

CST PCB Studio

• Fixed linked SP updating for SI workflows.

• Fixed display and handling of package parts with identical names.

• Provide DDR4 & SI-TD EAT start time option. New Feature!

• Improved IR-Drop loading by caching repeatedly used objects.

• Provide new SI-TD differential terminations. New Feature!

• Handle expensive DDR4 table updates with a timer.

• Fixed issues related to layers of type ‘Reference Plane’. They are now treated as ‘Signal’ layers. This fixed issues in line impedance plot and SI workflows.

CST Boardcheck

• Added two new Python commands: ‘export_auto_tagging’ and ‘export_bck_rules’. New Feature!

CST Design Studio – General

• Resolved potential instability when performing IdEM vector fitting for blocks.

• Improved accuracy of power aware IBIS modeling.

• FD3D based optimizations will store S-Parameter plots in dB as a default.

• Implemented generation of missing Combine Results task results.

• Block result tree is now updated after combine results task run.

• Speed up parameter dependency check.

• Introduced heuristic to free up storage space. New Feature!

• Added missing ‘Rename’ context menu entry for probes and labels.

CST Design Studio – Interference Task

• Fixed display of a new worksheet when modifying a parameter in the Interference Tool.

CST Design Studio – Hybrid Solver Task

• Allow for mesh adaptation at arbitrary frequency in Hybrid Solver workflows. New Feature!

Filter Designer 3D

• Fixed wrong dimensioning prediction for both Resonator Round and Resonator Square from the Resonator Design Assistant.

• Fixed Filter Designer 3D causing DE to terminate when license not available.

• Fixed Filter Designer 3D requesting additional S2X license when launched from MWS.

• Upload custom components directly via CST Filter Designer 3D user interface. New Feature!

Automation / Macros / Result Templates / External Data Access

• Added python wheels for the cst.results package version 2025.

• Support non-ascii characters in Model3D.get_tree_items().

如何安装 SP2 更新包

安装SP2更新包的前提是得先安装了 CST Studio Suite 2025 的主程序，见这个链接：https://www.mr-wu.cn/cst-studio-suite-2025-free-download/

点击「Import」浏览指向SP2的安装包，然后点击选中SP2，然后点「Install」进行安装。

安装完成后重新激活，先停止CST的License服务。

接着用破解文件解压后得到的「CST Studio Suite 2025」子文件夹替换掉CST 2025安装后的文件夹。

重启启动CST的License服务

搞定！

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