Trusting Clarity 3D Solver Accuracy through Measurement Correlation – A Case Study

Kristoffer Skytte, Cadence senior principal application engineer, presents a Clarity 3D Solver case study sharing the experience and best practices for achieving measurement-to-simulation correlation based on the Wild River CMP 50 IEEE P370 compliant test fixture where lab measurements were taken from DC to 50GHz. This presentation discusses topics such as material property identification, correlation challenges, influence of connector models, and manufacturing tolerance/variation. Video highlights & timestamps : 0:42 – Motivation and Case Study Overview 2:07 – Scaling FEM Solvers for Signal and Power Integrity 3:14 – The Three-Step FEM Approach 4:44 – Parallelized Matrix Solver and Cloud Scalability 7:36 – Benchmarking the Wild River CMP 50 Platform 10:20 – Simulation Setup and Manufacturing Adjustments 12:14 – Material Property Identification and Fitting 16:43 – Huray Surface Roughness Model Implementation 21:28 – Mesh Adaptation & Refinement 29:05 – TDR Correlation and Time Domain Analysis 34:00 – Resolving Resonant Phenomena and Strip Lines 38:47 – Back-Drill Stop Effects 40:25 – Connector Modeling Fidelity and Accuracy Trade-offs 47:21 – High-Frequency Moding and Boundary Effects 50:24 – Achieving Accuracy to 50 GHz and Beyond ------------------------------------------------------------------------------------------------------------------------------------------------------------- Connect with Cadence : • YouTube:    / @cadencedesignsystems   • LinkedIn:   / cadence   • Facebook:   / cadencedesign   • Twitter/X:   / cadence   • Instagram:   / cadencedesignsystems   ------------------------------------------------------------------------------------------------------------------------------------------------------------- About Cadence : Cadence is a global leader in electronic systems design, applying its Intelligent System Design™ strategy to deliver software, hardware, and IP that turn design concepts into reality. Cadence® customers are among the world’s most innovative companies, creating breakthrough products — from chips to boards to full systems — across markets including hyperscale computing, 5G, automotive, aerospace, mobile, consumer, industrial, and healthcare. Recognized by Fortune as one of the 100 Best Companies to Work For ten (10) consecutive years. Learn more at https://www.cadence.com. #signalintegrity #simulation #hardwareengineering #pcbdesign #cadence