Update app/building_information.py

app/building_information.py

@@ -3,7 +3,7 @@ BuildSustain - Building Information Module
 
 This module handles the building information input page of the BuildSustain application,
 allowing users to define basic building parameters such as project name, floor area, building height,
-indoor design conditions, orientation, and building type.
+indoor design conditions for winter and summer, orientation, and building type.
 
 Developed by: Dr Majed Abuseif, Deakin University
 © 2025
@@ -36,16 +36,15 @@ def display_building_info_page():
         current_values = st.session_state.project_data["building_info"]
         
         # Project Name
-        project_name = st.text_input(
-            "Project Name",
-            value=current_values["project_name"],
-            help="Enter a unique identifier for your project."
-        )
-        
-        # Create two columns for layout
         col1, col2 = st.columns(2)
-        
         with col1:
+            project_name = st.text_input(
+                "Project Name",
+                value=current_values["project_name"],
+                help="Enter a unique identifier for your project."
+            )
+        
+        with col2:
             # Floor Area
             floor_area = st.number_input(
                 "Floor Area (square meters)",
@@ -56,7 +55,11 @@ def display_building_info_page():
                 format="%.1f",
                 help="Total conditioned floor area of the building in square meters."
             )
-            
+        
+        # Create two columns for layout
+        col1, col2 = st.columns(2)
+        
+        with col1:
             # Building Height
             building_height = st.number_input(
                 "Building Height (meters)",
@@ -73,41 +76,57 @@ def display_building_info_page():
                 "Building Type",
                 options=BUILDING_TYPES,
                 index=BUILDING_TYPES.index(current_values["building_type"]) if current_values["building_type"] in BUILDING_TYPES else 0,
-                help="Primary use of the building, which affects default internal loads and ventilation rates."
+                help="Primary use of the building, which affects default internal loads."
             )
         
         with col2:
-            # Indoor Design Temperature
-            indoor_design_temp = st.number_input(
-                "Indoor Design Temperature (°C)",
+            # Winter Indoor Design Temperature
+            winter_indoor_design_temp = st.number_input(
+                "Winter Indoor Design Temperature (°C)",
                 min_value=15.0,
                 max_value=30.0,
-                value=float(current_values["indoor_design_temp"]),
+                value=float(current_values.get("winter_indoor_design_temp", current_values.get("indoor_design_temp", 20.0))),
                 step=0.5,
                 format="%.1f",
-                help="Target indoor temperature for cooling season comfort (15–30°C)."
+                help="Target indoor temperature for winter season comfort (15–30°C)."
             )
             
-            # Indoor Design Relative Humidity
-            indoor_design_rh = st.number_input(
-                "Indoor Design Relative Humidity (%)",
+            # Winter Indoor Design Relative Humidity
+            winter_indoor_design_rh = st.number_input(
+                "Winter Indoor Design Relative Humidity (%)",
                 min_value=20.0,
                 max_value=80.0,
-                value=float(current_values["indoor_design_rh"]),
+                value=float(current_values.get("winter_indoor_design_rh", current_values.get("indoor_design_rh", 50.0))),
                 step=5.0,
                 format="%.1f",
-                help="Target indoor relative humidity for comfort (20–80%)."
+                help="Target indoor relative humidity for winter season comfort (20–80%)."
             )
-            
-            # Ventilation Rate
-            ventilation_rate = st.number_input(
-                "Ventilation Rate (L/s/m²)",
-                min_value=0.0,
-                max_value=10.0,
-                value=float(current_values["ventilation_rate"]),
-                step=0.1,
-                format="%.2f",
-                help="Fresh air ventilation rate in liters per second per square meter."
+        
+        # Summer Indoor Design Conditions
+        col1, col2 = st.columns(2)
+        
+        with col1:
+            # Summer Indoor Design Temperature
+            summer_indoor_design_temp = st.number_input(
+                "Summer Indoor Design Temperature (°C)",
+                min_value=15.0,
+                max_value=30.0,
+                value=float(current_values.get("summer_indoor_design_temp", current_values.get("indoor_design_temp", 24.0))),
+                step=0.5,
+                format="%.1f",
+                help="Target indoor temperature for summer season comfort (15–30°C)."
+            )
+        
+        with col2:
+            # Summer Indoor Design Relative Humidity
+            summer_indoor_design_rh = st.number_input(
+                "Summer Indoor Design Relative Humidity (%)",
+                min_value=20.0,
+                max_value=80.0,
+                value=float(current_values.get("summer_indoor_design_rh", current_values.get("indoor_design_rh", 50.0))),
+                step=5.0,
+                format="%.1f",
+                help="Target indoor relative humidity for summer season comfort (20–80%)."
             )
         
         # Building Orientation
@@ -125,16 +144,6 @@ def display_building_info_page():
             help="Sets the building's rotation angle relative to north (0°). Component orientations are defined as A (North), B (South), C (East), D (West) at 0°. Adjusting this angle rotates all component orientations accordingly."
         )
         
-        # Operation Hours
-        operation_hours = st.slider(
-            "Operation Hours (hours/day)",
-            min_value=0,
-            max_value=24,
-            value=int(current_values["operation_hours"]),
-            step=1,
-            help="Daily hours the building is occupied or operational, affecting internal loads (0–24 hours)."
-        )
-        
         # Form submission button
         submit_button = st.form_submit_button("Save Building Information")
         
@@ -142,8 +151,9 @@ def display_building_info_page():
             # Validate inputs
             validation_errors = validate_building_info(
                 project_name, floor_area, building_height, building_type,
-                indoor_design_temp, indoor_design_rh, ventilation_rate,
-                orientation_angle, operation_hours
+                winter_indoor_design_temp, winter_indoor_design_rh,
+                summer_indoor_design_temp, summer_indoor_design_rh,
+                orientation_angle
             )
             
             if validation_errors:
@@ -158,11 +168,11 @@ def display_building_info_page():
                     "floor_area": floor_area,
                     "building_height": building_height,
                     "building_type": building_type,
-                    "indoor_design_temp": indoor_design_temp,
-                    "indoor_design_rh": indoor_design_rh,
-                    "ventilation_rate": ventilation_rate,
-                    "orientation_angle": float(orientation_angle),
-                    "operation_hours": operation_hours
+                    "winter_indoor_design_temp": winter_indoor_design_temp,
+                    "winter_indoor_design_rh": winter_indoor_design_rh,
+                    "summer_indoor_design_temp": summer_indoor_design_temp,
+                    "summer_indoor_design_rh": summer_indoor_design_rh,
+                    "orientation_angle": float(orientation_angle)
                 })
                 
                 # Log the update
@@ -193,11 +203,11 @@ def validate_building_info(
     floor_area: float, 
     building_height: float, 
     building_type: str,
-    indoor_design_temp: float, 
-    indoor_design_rh: float, 
-    ventilation_rate: float,
-    orientation_angle: int, 
-    operation_hours: int
+    winter_indoor_design_temp: float, 
+    winter_indoor_design_rh: float,
+    summer_indoor_design_temp: float, 
+    summer_indoor_design_rh: float,
+    orientation_angle: int
 ) -> List[str]:
     """
     Validate building information inputs.
@@ -207,11 +217,11 @@ def validate_building_info(
         floor_area: Floor area in square meters
         building_height: Building height in meters
         building_type: Building type
-        indoor_design_temp: Indoor design temperature in °C
-        indoor_design_rh: Indoor design relative humidity in %
-        ventilation_rate: Ventilation rate in L/s/m²
+        winter_indoor_design_temp: Winter indoor design temperature in °C
+        winter_indoor_design_rh: Winter indoor design relative humidity in %
+        summer_indoor_design_temp: Summer indoor design temperature in °C
+        summer_indoor_design_rh: Summer indoor design relative humidity in %
         orientation_angle: Building orientation angle in degrees
-        operation_hours: Building operation hours per day
         
     Returns:
         List of validation error messages, empty if all inputs are valid
@@ -238,28 +248,26 @@ def validate_building_info(
     if building_type not in BUILDING_TYPES:
         errors.append("Please select a valid building type.")
     
-    # Validate indoor design temperature
-    if indoor_design_temp < 15.0 or indoor_design_temp > 30.0:
-        errors.append("Indoor design temperature must be between 15°C and 30°C.")
+    # Validate winter indoor design temperature
+    if winter_indoor_design_temp < 15.0 or winter_indoor_design_temp > 30.0:
+        errors.append("Winter indoor design temperature must be between 15°C and 30°C.")
     
-    # Validate indoor design relative humidity
-    if indoor_design_rh < 20.0 or indoor_design_rh > 80.0:
-        errors.append("Indoor design relative humidity must be between 20% and 80%.")
+    # Validate winter indoor design relative humidity
+    if winter_indoor_design_rh < 20.0 or winter_indoor_design_rh > 80.0:
+        errors.append("Winter indoor design relative humidity must be between 20% and 80%.")
     
-    # Validate ventilation rate
-    if ventilation_rate < 0.0:
-        errors.append("Ventilation rate cannot be negative.")
-    elif ventilation_rate > 10.0:
-        errors.append("Ventilation rate exceeds maximum value (10 L/s/m²).")
+    # Validate summer indoor design temperature
+    if summer_indoor_design_temp < 15.0 or summer_indoor_design_temp > 30.0:
+        errors.append("Summer indoor design temperature must be between 15°C and 30°C.")
+    
+    # Validate summer indoor design relative humidity
+    if summer_indoor_design_rh < 20.0 or summer_indoor_design_rh > 80.0:
+        errors.append("Summer indoor design relative humidity must be between 20% and 80%.")
     
     # Validate orientation angle
     if orientation_angle < -180 or orientation_angle > 180:
         errors.append("Orientation angle must be between -180° and 180°.")
     
-    # Validate operation hours
-    if operation_hours < 0 or operation_hours > 24:
-        errors.append("Operation hours must be between 0 and 24.")
-    
     return errors
 
 def display_building_info_help():
@@ -274,12 +282,12 @@ def display_building_info_help():
     * **Project Name**: A unique identifier for your project.
     * **Floor Area**: The total conditioned floor area of the building in square meters.
     * **Building Height**: The average ceiling height of the building in meters.
-    * **Building Type**: The primary use of the building, which affects default internal loads and ventilation rates.
-    * **Indoor Design Temperature**: The target indoor temperature for cooling season comfort (typically 22-26°C).
-    * **Indoor Design Relative Humidity**: The target indoor relative humidity for comfort (typically 40-60%).
-    * **Ventilation Rate**: The fresh air ventilation rate in liters per second per square meter.
+    * **Building Type**: The primary use of the building, which affects default internal loads.
+    * **Winter Indoor Design Temperature**: The target indoor temperature for winter season comfort (typically 20-24°C).
+    * **Winter Indoor Design Relative Humidity**: The target indoor relative humidity for winter season comfort (typically 30-50%).
+    * **Summer Indoor Design Temperature**: The target indoor temperature for summer season comfort (typically 22-26°C).
+    * **Summer Indoor Design Relative Humidity**: The target indoor relative humidity for summer season comfort (typically 40-60%).
     * **Orientation Angle**: The building's rotation angle relative to north (0°).
-    * **Operation Hours**: Daily hours the building is occupied or operational, affecting internal loads.
     
     **Building Orientation:**