Skip to content

Fix pressure input handling in water dew point page #30

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
EvenSol wants to merge 2 commits into
base: main
Choose a base branch
from
Open

Fix pressure input handling in water dew point page #30

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
fec7adc
Fix pressure input handling in water dew point page
EvenSol Nov 27, 2025
d29f847
Merge branch 'main' into codex/fix-keyerror-for-pressure-bara
EvenSol Nov 27, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
49 changes: 26 additions & 23 deletions pages/30_Water Dew Point.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@
st.divider()

st.edited_dfTP = st.data_editor(
st.session_state.tp_data['Pressure (bara)'].dropna().reset_index(drop=True),
st.session_state.tp_data[['Pressure (bara)']].dropna().reset_index(drop=True),
num_rows='dynamic', # Allows dynamic number of rows
column_config={
'Pressure (bara)': st.column_config.NumberColumn(
Expand All @@ -68,27 +68,30 @@
# Check if water's MolarComposition[-] is greater than 0
water_row = st.edited_df[st.edited_df['ComponentName'] == 'water'] # Adjust 'ComponentName' and 'water' as necessary
if not water_row.empty and water_row['MolarComposition[-]'].iloc[0] > 0:
neqsim_fluid = fluid_df(st.edited_df, lastIsPlusFraction=False, add_all_components=False).autoSelectModel()
results_list = []
results_list2 = []
pres_list = []
fluid_results_list = []
for pres in st.edited_dfTP.dropna():
pressure = pres
pres_list.append(pressure)
neqsim_fluid.setPressure(pressure, 'bara')
results_list.append(hydt(neqsim_fluid)-273.15)
results_list2.append(waterdewt(neqsim_fluid)-273.15)
fluid_results_list.append(dataFrame(neqsim_fluid))
st.session_state['tp_data'] = pd.DataFrame({
'Pressure (bara)': pres_list, # Default example pressure
'Hydrate Temperature (C)': results_list, # Default temperature
'Aqueous Temperature (C)': results_list2 # Default temperature
})
st.session_state['tp_data'] = st.session_state['tp_data'].sort_values('Pressure (bara)')
st.success('Hydrate calculation finished successfully!')
combined_results = pd.concat(fluid_results_list, ignore_index=True)

pressure_values = st.edited_dfTP['Pressure (bara)'].dropna()
if (pressure_values <= 0).any():
st.error('Pressure must be greater than 0 bara. Please update the pressure inputs before running calculations.')
else:
neqsim_fluid = fluid_df(st.edited_df, lastIsPlusFraction=False, add_all_components=False).autoSelectModel()
results_list = []
results_list2 = []
pres_list = []
fluid_results_list = []
for pressure in pressure_values:
pres_list.append(pressure)
neqsim_fluid.setPressure(pressure, 'bara')
results_list.append(hydt(neqsim_fluid)-273.15)
results_list2.append(waterdewt(neqsim_fluid)-273.15)
fluid_results_list.append(dataFrame(neqsim_fluid))
st.session_state['tp_data'] = pd.DataFrame({
'Pressure (bara)': pres_list, # Default example pressure
'Hydrate Temperature (C)': results_list, # Default temperature
'Aqueous Temperature (C)': results_list2 # Default temperature
})
st.session_state['tp_data'] = st.session_state['tp_data'].sort_values('Pressure (bara)')
st.success('Hydrate calculation finished successfully!')
combined_results = pd.concat(fluid_results_list, ignore_index=True)

if st.session_state.get('refresh', True):
st.edited_dfTP2 = st.data_editor(
st.session_state.tp_data.dropna().reset_index(drop=True),
Expand All @@ -114,7 +117,7 @@
plt.figure(figsize=(10, 5))
plt.plot(st.session_state['tp_data']['Hydrate Temperature (C)'], st.session_state['tp_data']['Pressure (bara)'], marker='o', linestyle='-',label="hydrate temperature")
plt.plot(st.session_state['tp_data']['Aqueous Temperature (C)'], st.session_state['tp_data']['Pressure (bara)'], marker='x', linestyle='--',label="aqueous dew point")

plt.title('Dew Point Lines')
plt.ylabel('Pressure (bara)')
plt.xlabel('Temperature (C)')
Expand Down