Pipe Assembly Lab v1.2: thermal/support workflow and validated harmonic-response sweeps

PROJECT_FORMAT.md

@@ -1,12 +1,16 @@
-# Pipe project and dynamic response · v1.1
+# Pipe project and dynamic response · v1.2
 
 A saved project is JSON, not executable code. All stored numbers use SI units.
-`schema` is `agentfem.pipe-project/1`; `modelVersion` is `1.1.0`.
+`schema` is `agentfem.pipe-project/1`; `modelVersion` is `1.2.0`.
+Version 1.1.0 imports remain supported and receive default excitation settings.
+Optional `design.excitation` is `{node:3, axis:2, force:100, frequency:10, zeta:0.02}`.
+The harmonic force and probe share a joint and global direction. SI units, peak
+amplitude, not RMS. The added damper retains independent position/direction.
 
 ```json
 {
   "schema": "agentfem.pipe-project/1",
-  "modelVersion": "1.1.0",
+  "modelVersion": "1.2.0",
   "units": "SI",
   "design": {
     "route": [

README.md

@@ -28,10 +28,29 @@ configs:
   data_files:
   - split: validation
     path: dynamics/release_cases.jsonl
+- config_name: harmonic_response
+  data_files:
+  - split: validation
+    path: dynamics/harmonic_cases.jsonl
 ---
 
 # AgentFEM Pipe Components
 
+## v1.2 — thermal movement and forced vibration
+
+Adds **19 harmonic-response sweeps**, including a blocked-force-direction control.
+Each sweep has 161 frequencies from 0.2 to 2 times the first natural frequency,
+with/without an added grounded viscous damper. Both curves use an explicitly
+assumed 2% background modal damping ratio and 100 N peak harmonic force.
+Displacements are peak amplitudes at the force joint/direction, not RMS.
+These are component-ROM labels, not plant measurements or new full-solid solves.
+
+Independent SciPy assembly/complex solves agree within 1.09e-8 relative error.
+For these cases, 12 versus 24 modes changes the curve by at most 0.078% of the
+24-mode peak. See `validation/harmonic_validation.json` and
+`source/validate_harmonic.py`. This tests numerical implementation and retention,
+not physical accuracy against an actual power-station piping system.
+
 **Reusable solid finite-element components for interactive piping mechanics.**
 
 [Play with a pipe →](https://huggingface.co/spaces/HaomingLuo/AgentFEM-Pipe-Assembly-Lab) · [Download the ROM →](https://huggingface.co/HaomingLuo/AgentFEM-Pipe-ROM) · [AgentFEM →](https://github.com/haoming-luo/agentfem)

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