All Topics | Topic: “Input supply data for river and facing problem when rum the model”
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Adnan Asif Rifat
Subject: Input supply data for river and facing problem when rum the model   
Posted: 10/4/2019 Viewed: 10424 times

i got monthly discharge data for a river in cumec unit. i wanted to use it in model as river head flow. the values were very high like 28000, 23000 etc. when after completion of data entry i run the model it show some messages like " there were warnings or errors during calculation". then when i clicked on the messages i found "Scenario Month Year Branch Message (Double-click to go to that variable in the Data View.)
0 In all, there were 5312 extremely large values, which might cause problems for the linear program (LP) solver. Only the details of the first 8 are listed (below).
Current Accounts January 2019 Supply and Resources\River\Mekong River WARNING: This extremely large value (7,499,520,000,000) may cause problems for the linear program (LP) solver. Please check if it is a mistake, or can reasonably be reduced.
Current Accounts January 2019 Supply and Resources\River\Mekong River\Reaches\Below Mekong River Headflow WARNING: This extremely large value (7,499,520,000,000) may cause problems for the linear program (LP) solver. Please check if it is a mistake, or can reasonably be reduced.
Current Accounts January 2019 Supply and Resources\River\Mekong River\Withdrawals\Withdrawal Node 1 WARNING: This extremely large value (7,499,519,205,012) may cause problems for the linear program (LP) solver. Please check if it is a mistake, or can reasonably be reduced.
Current Accounts January 2019 Supply and Resources\River\Mekong River\Reaches\Below Withdrawal Node 1 WARNING: This extremely large value (7,499,519,205,012) may cause problems for the linear program (LP) solver. Please check if it is a mistake, or can reasonably be reduced.
Current Accounts January 2019 Supply and Resources\River\Mekong River\Withdrawals\Withdrawal Node 2 WARNING: This extremely large value (7,499,514,780,012) may cause problems for the linear program (LP) solver. Please check if it is a mistake, or can reasonably be reduced.
Current Accounts January 2019 Supply and Resources\River\Mekong River\Reaches\Below Withdrawal Node 2 WARNING: This extremely large value (7,499,514,780,012) may cause problems for the linear program (LP) solver. Please check if it is a mistake, or can reasonably be reduced.
Current Accounts January 2019 Supply and Resources\River\Mekong River\Returns\Pakse City Return WARNING: This extremely large value (7,499,515,455,752) may cause problems for the linear program (LP) solver. Please check if it is a mistake, or can reasonably be reduced.
Current Accounts January 2019 Supply and Resources\River\Mekong River\Reaches\Below Pakse City Return WARNING: This extremely large value (7,499,515,455,752) may cause problems for the linear program (LP) solver. Please check if it is a mistake, or can reasonably be reduced.

Dr. Hossein Babazadeh
Subject: Re: Input supply data for river and facing problem when rum the model   
Posted: 10/6/2019 Viewed: 10405 times

Hi Adnan,
What is your discharge unit, CMS or MCM/Month? I think you have to check your inflow unit with the model unit? It seems there is an inconsistency in the model.

Best Regards,
Hossein
Topic: “Input supply data for river and facing problem when rum the model”