Math latex

backend/app/api/endpoints.py

@@ -31,7 +31,7 @@ def get_constants():
     """
     Get the physical constants and specifications used by the CVT simulator.
     These values are useful for visualization and understanding the simulation parameters.
-    Calculated values like max_shift and center_to_center are automatically computed.
+    Calculated values like max_shift, center_to_center, and min/max effective CVT ratio are automatically computed.
     """
     return CarSpecs()
 

cvtModel/src/cvt_simulator/constants/car_specs.py

@@ -126,6 +126,22 @@ def center_to_center(self) -> float:
             )
         ) / 4
 
+    @computed_field
+    @property
+    def min_effective_cvt_ratio(self) -> float:
+        """Minimum effective CVT ratio (unitless) at zero shift distance."""
+        from cvt_simulator.utils.theoretical_models import TheoreticalModels as tm
+
+        return tm.current_effective_cvt_ratio(0)
+
+    @computed_field
+    @property
+    def max_effective_cvt_ratio(self) -> float:
+        """Maximum effective CVT ratio (unitless) at max shift distance."""
+        from cvt_simulator.utils.theoretical_models import TheoreticalModels as tm
+
+        return tm.current_effective_cvt_ratio(self.max_shift)
+
     class Config:
         """Pydantic configuration."""
 
@@ -161,3 +177,5 @@ class Config:
 INITIAL_SHEAVE_DISPLACEMENT = _default_specs.initial_sheave_displacement
 MAX_SHIFT = _default_specs.max_shift
 CENTER_TO_CENTER = _default_specs.center_to_center
+MIN_EFFECTIVE_CVT_RATIO = _default_specs.min_effective_cvt_ratio
+MAX_EFFECTIVE_CVT_RATIO = _default_specs.max_effective_cvt_ratio