System Dynamics Model for VMI&TPL Integrated Supply Chains

Table 1

Definitions of parameters and variables.

𝑇𝑖: inventory adjustment time	𝑇𝑎: demand smooth time
𝑇𝑝: production delay time	𝑇𝑝: estimated value of production delay time
CON: demand rate	ACON: demand rate after forecast
ORT: production rate	CRT: production fulfillment rate
TINV: target inventory level	INV: actual inventory level
EINV: inventory deviation	WIP: work-in-process
TWIP: target work-in-; process	EWIP: work-in-process deviation