System Dynamics Modelling of Remanufacturing and Recycling Mode Based on Closed-Loop Across-Chain Competition
Table 1
Constants set.
Parameter
value
Production Time 1
2
Demands Adjustment Time 2
2
Sales Price
10
Random Error 1
0.2
Manufacturers Inventory Adjustment Time 2
12
Manufacturers Inventory Duration 1
12
Resales Influence Coefficient
0.2
Time Needed for Processing
6.5
Effect Degree
0.5
Resales Capacity
0.3
Testing Time 1
1
Remanufacturing Capacity 2
0.36
Delivery Time 1
1
Production Adjustment Time 2
2
Transport Time 1
1
Constants 1, 2, 3
12
Remanufacturing Delay 1
48
Retailers Inventory Adjustment Time 1
12
Retailers Inventory Duration 2
1.2
Remanufacturing Influence Coefficient 1
0.3
Processing Capacity
0.64
Recycling Delay 2
48
Resales Delay
5
Discarded Delay 1
10
Remanufacturing Time 1
1.2
Production Capacity 1
10
The simulation time length: initial time = 0 weeks, final time = 100 weeks, and time step = 1 week; the simulation cycle is 100 weeks, a week for a step.
