Sigrity and Systems Analysis 2021.1 HF2 Release July Update Now Available

The Sigrity and Systems Analysis (SIGRITY/SYSANLS) 2021.1 HF2 release July update is now available for download at Cadence Downloads. For the list of CCRs fixed in this release, see the README.txt file in the installation hierarchy.

SIGRITY/SYSANLS 2021.1 HF2 July Update

Here is a list of some of the key updates in the SIGRITY/SYSANLS 2021.1 HF2 release July update:

Note: The release announcement blog aims to list only the most important features implemented for the Systems Analysis and Sigrity products and does not cover all the features of the release. In order to see the complete list of the implemented features, refer to the following document: Sigrity Release Overview and Common Tools What's New.

Clarity 3D Solver

• Mesh Refinement Algorithm Improved: Mesh refinement is an important process for finite element method (FEM) to increase the accuracy of the solution. Refinement is performed as an iterative procedure where an EM solution is found and the errors are calculated. In addition, elements in the regions of high error are refined. The mesh refinement algorithm in Clarity 3D Solver has been improved such that the critical mesh elements can now be identified efficiently resulting in a more robust mesh refinement process. You can get a reliable final mesh to reflect the nature of the EM field at solution frequencies even for a coarse initial mesh and high port number scenario.
• EM Field Display Enhanced: In this release, the display of the EM field in both Clarity 3D Layout and Clarity 3D Workbench has been enhanced as follows:
  •  A new text field has been added that enables you to enter the exact coordinate of the cut plane where you want to view the E/H fields. 
  • A new option, Set 3d view options, has been added on the toolbar that enables you to modify the colors on the field plots.
• New Finite Thickness Boundary Condition Introduced: Clarity 3D Workbench now supports a new Finite Thickness boundary condition that can be used to represent metals with a surface. Once the finite thickness boundary condition is assigned to a certain surface, the original nature of the surface is replaced by the finite thickness boundary. It can be used to override the global metal type setting or assign the surface roughness property to the side surface of the metal. Currently, finite thickness supports the following three boundary conditions:
  
  • Classic infinite thickness – This is equivalent to the Metal_skin_impedance option set for the global metal type.
  • DC thickness – This is equivalent to DC_thickness set for the global metal type.
  • Surface roughness.
• Capability Added to Load Multiple Designs Added in Clarity 3D Layout: Clarity 3D Layout now enables you to open and work on another design while the simulation is being run on an already opened design. This enables you to prepare additional designs for simulation without the need to wait for the simulation to complete for an existing design.
• Support Added to De-embed Single or Multiple Ports: Port de-embedding is a process in which parasitics are removed from the port. De-embedding the port reduces the parasitic inductance caused by the parasitics present in the port. In earlier releases, the port de-embedding feature applied to all the ports. However, now, both Clarity 3D Layout and Clarity 3D Workbench support de-embedding of single or multiple ports. This enables you to de-embed just the ports of concern and save the simulation time.
• Support for Task Assistant Added: In this release, a new light-weight help tool, Task Assistant, has been implemented in the Setup Computer Resources dialog box in Clarity 3D Workbench. Task Assistant provides a quick overview of the tasks in the context of the action you are currently performing. It provides help for all possible "how to" questions that you would have in mind while setting up the computer resources for a simulation run. You can access the Set up Computer Resources Task Assistant by clicking Help on the Set up Computer Resources dialog box.

For detailed information, refer to Clarity 3D Layout User Guide and Clarity 3D Workbench User Guide  on the Cadence Support portal.

Celsius Thermal Solver

• Licensing Updates: In the SIGRITY/SYSANLS 2021.1 HF2 release July update, the licensing scheme for Celsius Thermal Solver has been updated to include the following new licenses:
  • Celsius Thermal Solver V8 (SYS108): This license supports all capabilities of the Celsius Thermal Solver license (SYS100), but with only 8 cores.
  • Celsius DC (SYS103): This license supports the combined capabilities of PowerDC II, as well as static analysis in Celsius Solid Objects Simulation for Layered Structures, with only 8 cores.
  • Celsius Advance PTI (SYS923): This license is an extension of the Advanced PI II (SIGR923) license and can launch OptimizePI, PowerDC, TopXP, and Celsius with an 8-core limit.
• T-Constraints Enhancements: You can now specify thermal constraints for vias, traces, planes, wirebonds, and leads in the Solid Objects Simulation for Layered Structures module. During thermal analysis, you can quickly identify the routing objects that violate the constraint criteria. These violations are recorded in a violation report after the simulation run.
• Thermal Probe Enhancements: In the Solid Objects Simulation for Layered Structures module, in addition to adding probes on layout nodes, you can now add thermal probes on vias and traces to detect any changes in temperature.
• Support for Stress Analysis: In the Solid Objects Simulation for 3D Structures module, you can now perform stress analysis to calculate the displacement that occurs on applying different loads on objects. You can also study the effect of temperature variations on the structural response of your design, by defining materials with nonlinear properties, such as, viscoplasticity, fatigue, and failure.
• Discrete Component Import in Solid Objects Simulation for 3D Structures: When you import a design from the Celsius Solid Objects Simulation for Layered Structures module into the Solid Objects Simulation for 3D Structures module, any discrete components added to the design are also imported. These discrete components are listed under the Circuits node in the Project pane and are used in the electro-thermal co-simulation flow.
• Thermal Simulation Options Window Enhancements: The Thermal Simulation Options window in the Solid Objects Simulation for Layered Structures module has been enhanced as follows:
  • The options under the Exact Mesh Areas tab and the Mesh Control tabs have been merged into a single Mesh Control tab. As a result, you can now set all the mesh options from a single tab.
  • The Local Mesh Refinement tab has been added to specify a local area for which you want to create a finer, more refined, mesh.
  • Two new options, Enable high accuracy mode and Enable temperature-dependent thermal material property have been added in the Simulation Control tab for more accurate simulation results.
• Simplified Model Import Enhancements: The following enhancements have been made for simplified model import from Solid Objects Simulation for Layered Structures module:
  • When a simplified PCB model is imported, the PCBs and devices appear in different colors in the layout pane, that is, devices appear red and PCBs appear blue-gray. Additionally, they are listed under the PCBBoard and Devices node in the Project tree.
  • If the imported design has thermal probes, they are automatically imported and appear under the Probings node in the Project tree.
  • If a component is rotated in the original design, the rotation angle is maintained during simplification. Also, after import, the Simplified Solid Type for such objects is Non Rectangular Object.

For detailed information, refer to Celsius Thermal Solver User Guide on the Cadence Support portal.

Sigrity Release Team

Please send questions and feedback to sigrity_rmt@cadence.com.