Going back to initial state change L0

[adriengoeller]

Initial case with default climate condition. We get L_ref = [299.91591107 402.65322025 498.98796059]

First step: change state to 65°

2026-06-25 17:51:29,064 - mechaphlowers.utils - DEBUG - function: solve_change_state with args:[(), {'wind_pressure': 0.0, 'ice_thickness': 0.0, 'new_temperature': 15.0} solved in 0.0110 seconds.
pyodide.asm.js:8 2026-06-25 17:51:29,070 - mechaphlowers.api.section_study - DEBUG - Intermediate warm-start solve at default conditions.
pyodide.asm.js:8 2026-06-25 17:51:29,070 - mechaphlowers.core.models.balance.engine - DEBUG - Starting change state.
pyodide.asm.js:8 2026-06-25 17:51:29,070 - mechaphlowers.core.models.balance.engine - DEBUG - Parameters received: 
pyodide.asm.js:8 wind_pressure 0.0
pyodide.asm.js:8 ice_thickness 0.0
pyodide.asm.js:8 new_temperature 15.0
pyodide.asm.js:8 wind_direction anticlockwise
pyodide.asm.js:8 2026-06-25 17:51:29,071 - mechaphlowers.core.models.balance.engine - DEBUG - Adjustment has been done before, initial_L_ref before shifting: [299.91591107 402.65322025 498.98796059]
pyodide.asm.js:8 2026-06-25 17:51:29,080 - mechaphlowers.core.models.balance.engine - DEBUG - Output : get_displacement 
pyodide.asm.js:8 [[ 2.90593212e+00 -3.52679762e-01 -6.56639538e-01]
pyodide.asm.js:8  [-3.47532600e-04 -8.95474781e-01 -2.86323677e+00]
pyodide.asm.js:8  [ 1.54826440e-05 -1.39614322e-02 -2.99996751e+00]
pyodide.asm.js:8  [-2.75982476e+00 -7.70621409e-05 -1.17616635e+00]]
pyodide.asm.js:8 2026-06-25 17:51:29,080 - mechaphlowers.utils - DEBUG - function: solve_change_state with args:[(), {'wind_pressure': 0.0, 'ice_thickness': 0.0, 'new_temperature': 15.0} solved in 0.0110 seconds.
pyodide.asm.js:8 2026-06-25 17:51:29,080 - mechaphlowers.core.models.balance.engine - DEBUG - Starting change state.
pyodide.asm.js:8 2026-06-25 17:51:29,080 - mechaphlowers.core.models.balance.engine - DEBUG - Parameters received: 
pyodide.asm.js:8 wind_pressure 0
pyodide.asm.js:8 ice_thickness 0.0
pyodide.asm.js:8 new_temperature 65
pyodide.asm.js:8 wind_direction clockwise
pyodide.asm.js:8 2026-06-25 17:51:29,081 - mechaphlowers.core.models.balance.engine - DEBUG - Adjustment has been done before, initial_L_ref before shifting: [299.91591107 402.65322025 498.98796059]
pyodide.asm.js:8 2026-06-25 17:51:29,136 - mechaphlowers.core.models.balance.engine - DEBUG - Output : get_displacement 
pyodide.asm.js:8 [[ 2.86421739e+00 -3.46934627e-01 -8.22128390e-01]
pyodide.asm.js:8  [ 6.73020345e-02 -8.16748081e-01 -2.88589553e+00]
pyodide.asm.js:8  [ 1.14793735e-01 -1.07309392e-02 -2.99778372e+00]
pyodide.asm.js:8  [-2.70581343e+00 -5.80851744e-05 -1.29559782e+00]]
pyodide.asm.js:8 2026-06-25 17:51:29,136 - mechaphlowers.utils - DEBUG - function: solve_change_state with args:[(), {'wind_pressure': 0, 'ice_thickness': 0.0, 'new_temperature': 65, 'wind_direction': 'clockwise'} solved in 0.0550 seconds.
pyodide.asm.js:8 2026-06-25 17:51:29,136 - stellar_engine - DEBUG - >>[API] | change_state completed

2nd step: (not reproductible in mechaphlowers) delete loads

Executing task: deleteAllLoads, triggering Python function: delete_all_loads
pyodide.asm.js:8 2026-06-25 17:51:39,852 - mechaphlowers.core.geometry.position_engine - DEBUG - Position engine notified from balance engine.
pyodide.asm.js:8 2026-06-25 17:51:39,883 - mechaphlowers.core.models.balance.engine - DEBUG - Balance engine initialized.
pyodide.asm.js:8 2026-06-25 17:51:39,883 - mechaphlowers.core.models.balance.engine - DEBUG - Loads have been added. PlotEngine will be notified automatically via the observer pattern; no manual reset is required.
pyodide.asm.js:8 2026-06-25 17:51:39,883 - stellar_engine - DEBUG - >>[API] | delete_all_loads completed
logger.service.ts:19 Task deleteAllLoads executed successfully, converting result to JS object

3rd step: plot the state with default climatic conditions

2026-06-25 17:51:39,883 - stellar_engine - DEBUG - >>[API] | change_state triggered
pyodide.asm.js:8 2026-06-25 17:51:39,884 - stellar_engine - DEBUG - python_inputs: {'climate': {'windPressure': 0, 'cableTemperature': 15, 'symmetryType': 'symmetric', 'iceThickness': 0, 'frontierSupportNumber': None, 'iceThicknessBefore': None, 'iceThicknessAfter': None}}
pyodide.asm.js:8 2026-06-25 17:51:39,888 - stellar_engine - DEBUG - ---------Load case applied to engine---------
pyodide.asm.js:8 2026-06-25 17:51:39,888 - stellar_engine - DEBUG - Wind pressure: 0, Cable temperature: 15, Ice thickness: 0.0
pyodide.asm.js:8 2026-06-25 17:51:39,888 - stellar_engine - DEBUG - -----------------------------------------------
pyodide.asm.js:8 2026-06-25 17:51:39,888 - mechaphlowers.core.models.balance.engine - DEBUG - Starting adjustment.
pyodide.asm.js:8 2026-06-25 17:51:39,982 - mechaphlowers.core.models.balance.engine - DEBUG - Output : L_ref = [299.57177301 402.19119541 498.41539495]
pyodide.asm.js:8 2026-06-25 17:51:39,983 - mechaphlowers.utils - DEBUG - function: solve_adjustment with args:[(), {} solved in 0.0940 seconds.
pyodide.asm.js:8 2026-06-25 17:51:39,983 - mechaphlowers.api.section_study - DEBUG - Intermediate warm-start solve at default conditions.
pyodide.asm.js:8 2026-06-25 17:51:39,983 - mechaphlowers.core.models.balance.engine - DEBUG - Starting change state.
pyodide.asm.js:8 2026-06-25 17:51:39,983 - mechaphlowers.core.models.balance.engine - DEBUG - Parameters received: 
pyodide.asm.js:8 wind_pressure 0.0
pyodide.asm.js:8 ice_thickness 0.0
pyodide.asm.js:8 new_temperature 15.0
pyodide.asm.js:8 wind_direction anticlockwise
pyodide.asm.js:8 2026-06-25 17:51:39,983 - mechaphlowers.core.models.balance.engine - DEBUG - Adjustment has been done before, initial_L_ref before shifting: [299.57177301 402.19119541 498.41539495]

See L_ref before shifting changed, it should not

Loading a new loadcase is setting back to initial:

2026-06-25 18:13:06,878 - stellar_engine - DEBUG - >>[API] | set_loads triggered
pyodide.asm.js:8 2026-06-25 18:13:06,878 - stellar_engine - DEBUG - python_inputs for set_loads: {'spanLoads': [{'supportUuid': 'b63c8dd7-f48c-4e74-aa37-633e36d64af2', 'loadPosition': 0, 'loadWeight': 0, 'type': 'punctual', 'referenceSupport': 'LEFT'}, {'supportUuid': '03fbcc93-9836-48e9-9500-e3eaf665db92', 'loadPosition': 0, 'loadWeight': 0, 'type': 'punctual', 'referenceSupport': 'LEFT'}, {'supportUuid': '3ad1abfd-a441-4d54-9529-d31d0b9b46a4', 'loadPosition': 0, 'loadWeight': 0, 'type': 'punctual', 'referenceSupport': 'LEFT'}, {'supportUuid': '3a75964d-9dbe-4027-8834-82f01e8838df', 'loadPosition': 0, 'loadWeight': 0, 'type': 'punctual', 'referenceSupport': 'LEFT'}]}
pyodide.asm.js:8 2026-06-25 18:13:06,891 - stellar_engine - DEBUG - Applying span loads: positions=[0 0 0 0], masses=[0. 0. 0. 0.]
pyodide.asm.js:8 2026-06-25 18:13:06,896 - mechaphlowers.core.models.balance.engine - DEBUG - Resetting balance engine.
logger.service.ts:19 Executing task: setLoads, triggering Python function: set_loads
pyodide.asm.js:8 2026-06-25 18:13:07,123 - mechaphlowers.core.geometry.position_engine - DEBUG - Position engine notified from balance engine.
pyodide.asm.js:8 2026-06-25 18:13:07,155 - mechaphlowers.core.models.balance.engine - DEBUG - Balance engine initialized.
pyodide.asm.js:8 2026-06-25 18:13:07,156 - mechaphlowers.core.models.balance.engine - DEBUG - Loads have been added. PlotEngine will be notified automatically via the observer pattern; no manual reset is required.
pyodide.asm.js:8 2026-06-25 18:13:07,156 - stellar_engine - DEBUG - >>[API] | set_loads completed
logger.service.ts:19 Task setLoads executed successfully, converting result to JS object
logger.service.ts:19 Executing task: changeState, triggering Python function: change_state
pyodide.asm.js:8 2026-06-25 18:13:07,156 - stellar_engine - DEBUG - >>[API] | change_state triggered
pyodide.asm.js:8 2026-06-25 18:13:07,156 - stellar_engine - DEBUG - python_inputs: {'climate': {'windPressure': 0, 'cableTemperature': 15, 'symmetryType': 'symmetric', 'iceThickness': 0, 'frontierSupportNumber': None, 'iceThicknessBefore': None, 'iceThicknessAfter': None}}
pyodide.asm.js:8 2026-06-25 18:13:07,161 - stellar_engine - DEBUG - ---------Load case applied to engine---------
pyodide.asm.js:8 2026-06-25 18:13:07,161 - stellar_engine - DEBUG - Wind pressure: 0, Cable temperature: 15, Ice thickness: 0.0
pyodide.asm.js:8 2026-06-25 18:13:07,161 - stellar_engine - DEBUG - -----------------------------------------------
pyodide.asm.js:8 2026-06-25 18:13:07,161 - mechaphlowers.core.models.balance.engine - DEBUG - Starting adjustment.
pyodide.asm.js:8 2026-06-25 18:13:07,273 - mechaphlowers.core.models.balance.engine - DEBUG - Output : L_ref = [299.91591107 402.65322025 498.98796059]

[adriengoeller]

Solved with v0.11.2 release