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Using predetermined partial solutions for solving a heterogeneous truck fleet distribution model

Author

Listed:
  • Iqbal Agha

    (Department of Finance & Operations Management, Isenberg School of Management, University of Massachusetts at Amherst)

  • Debra J. O'Connor

    (Department of Economics, College of the Holy Cross)

Abstract

This paper makes use of partial solutions to solve a two-echelon heterogeneous truck fleet distribution model with single-sourced distribution centres. The partial solutions are predetermined using an algorithmic procedure that determines the mix of trucks to deploy to a demand point by relating the required shipment volume to the cost and capacity of each truck type. The partial solutions reduce the feasible region of the associated mixed-integer programming model, which is then solved to obtain the complete solution. A computational study demonstrates that solutions for prototypical two-echelon distribution scenarios with up to 32 distribution centres and 1,600 demand points can be obtained within a few seconds of computation time.

Suggested Citation

  • Iqbal Agha & Debra J. O'Connor, 2014. "Using predetermined partial solutions for solving a heterogeneous truck fleet distribution model," Working Papers 1411, College of the Holy Cross, Department of Economics.
    • Handle: RePEc:hcx:wpaper:1411
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