socket-bridge

# Socket Bridge Connection ## Description Connect to Abaqus CAE via socket bridge for curing simulation. Invoke when user needs to use socket bridge, connect to Abaqus, or execute Python in Abaqus kernel. ## Content ### Socket Bridge Overview The socket bridge provides a TCP connection to Abaqus CAE at `127.0.0.1:48152`, allowing remote execution of Python code in the Abaqus kernel. ### Prerequisites - Abaqus CAE must be open and running - The socket bridge plugin must be active in Abaqus ### Connection Check Use the `check_abaqus_connection` MCP tool to verify the bridge status before executing any commands. ### Available MCP Tools | Tool | Description | |------|-------------| | `check_abaqus_connection` | Verify bridge connection status | | `run_python` | Execute Python code in Abaqus kernel | | `submit_job` | Submit a job and wait for completion | | `monitor_job_status` | Check .sta/.msg file diagnostics | | `inspect_odb` | Read ODB results and field outputs | | `set_workdir` | Set the working directory | | `list_jobs` | List existing jobs in the session | ### run_python Usage When using `run_python`, set the `result` variable to return data back to the caller: ```python # Example: get list of steps result = [] for step_name in odb.steps.keys(): result.append(step_name) ``` ### Abaqus Python Environment Quirks The Abaqus Python environment has several important quirks to be aware of: #### Python Version - Abaqus 2020+ uses Python 2.7 based environment - Do not use Python 3 specific syntax #### Unicode Issues - `print()` statements with unicode may cause errors - Use `result = ...` to return data instead of printing #### Imports - Must import constants: `from abaqusConstants import *` - This provides access to all Abaqus constants (OFF, ON, RUNNING, etc.) #### String Formatting - Use the `%` operator for string formatting - Do NOT use `.format()` or f-strings (not supported in Python 2.7) ```python # Correct text = '%d nodes found' % node_count # Incorrect (will fail) text = '{} nodes found'.format(node_count) text = f'{node_count} nodes found' ``` #### Dictionary Keys - Plain strings work reliably as dictionary keys - Unicode keys may fail in some operations ### Standard Workflow 1. **Check connection:** Use `check_abaqus_connection` to verify bridge is active 2. **Set working directory:** Use `set_workdir` to configure the work directory 3. **Create jobs:** Use `run_python` to create jobs from input files 4. **Submit jobs:** Use `submit_job` or `run_python` with `submit()` 5. **Monitor:** Use `monitor_job_status` to check for errors or convergence issues 6. **Copy ODB:** Copy the ODB file from scratch to work directory 7. **Extract data:** Use `inspect_odb` or `run_python` to read results