This commit refactors the organ simulation to enable dynamic interactions between organs, replacing the previous "faked" or hardcoded connections.
Key changes include:
- Major Refactoring: Changed the `Organ::update` method signature to `update(Patient& patient, double deltaTime_s)`, allowing organs to access the shared patient state and other organs. This was propagated to all organ classes.
- Blood Chemistry Model: Introduced a central `Blood` struct in the `Patient` model to track shared resources like oxygen, CO2, glucose, and toxins.
- Organ System Interconnections:
- Lungs & Brain: Lungs now perform gas exchange affecting the blood. The brain consumes O2, produces CO2, and its GCS is affected by hypoxia/hypercapnia.
- Liver-Gallbladder: Gallbladder now receives bile directly from the liver's production rate.
- Digestive System: Stomach passes chyme to the intestines, which absorb glucose into the blood. The pancreas responds to blood glucose changes.
- Renal System: Kidneys' GFR is now influenced by the heart's aortic pressure, and they produce urine that fills the bladder directly.
- Cardiovascular & Neurological: The heart rate responds to hypoxia, and the brain uses live aortic pressure from the heart.
- Comprehensive Test Scenario: Updated the main example to include a 60-second simulation with a meal and a lung injury event to verify the new interconnected system.
This creates a more realistic and scalable physiological simulation framework where organ behaviors are emergent from their interactions.
This commit introduces a major enhancement to the heart simulation, adding a detailed mechanical model of the cardiac cycle that is synchronized with the existing EKG waveform.
Key features:
- The Heart class is refactored to include data structures for the four chambers (atria and ventricles) and four valves (mitral, tricuspid, aortic, pulmonary).
- The `update` method now simulates the phases of the cardiac cycle, including atrial and ventricular systole and diastole.
- Chamber pressures and volumes are dynamically updated based on the phase of the cycle.
- Valve statuses (open/closed) are determined by pressure gradients between chambers.
- Ejection Fraction is now calculated based on the simulated end-diastolic and end-systolic volumes of the left ventricle.
- The example program has been updated to display a live, detailed summary of the heart's mechanical status, showing pressures, volumes, and valve states as they change over time.
This commit significantly expands the patient simulation by adding models
for the full digestive and urinary systems, as well as the spleen and
spinal cord.
This builds on the polymorphic organ framework by adding 9 new organ
classes:
- Kidneys
- Bladder
- Stomach
- Intestines
- Gallbladder
- Pancreas
- Esophagus
- Spleen
- SpinalCord
Each new organ has its own header, a source file with simplified
simulation logic for its unique physiological properties, and is
integrated into the main patient model and simulation loop.
The build system and example application have been updated to include
and demonstrate this new, more comprehensive set of organs.
google-labs-jules[bot]