In supply chains, domestic and global, a producer must decide on an optimal quantity of items to order from suppliers and at what inventory level to place this order (the EOQ problem). We discuss how to modify the EOQ in the face of failures and recoveries by the supplier. This is the EOQ with disruption problem (EOQD). The supplier makes transitions between being capable and not being capable ...

This paper introduces and examines a generalized EOQ formula, based on the model with linear and fixed backordering costs. The new square-root formula is a combination of two well-known classical models, the basic EOQ model without stockouts and the EOQ model with backorders and linear backordering costs. Helping to combine the two is a new parameter, a fractional coefficient capturing the attr...

Klinik Vinca Rosea merupakan Fisioterapi pertama yang berada di kota Lhokseumawe. Rata-rata setiap tahun nya klinik mengalami peningkatan pasien. vinca rosea telah mengelola 120 item obat terdaftar pada database nya. Perencanaan belum menggunakan analisis dan peramalan kebutuhan sehingga sulit untuk memperkirakan jumlah pemesanan akan datang Hal ini dapat mengakibatkan stock-out menyebabkan kur...

Seeing the rapid development of construction world, as part Indonesian economy, we need to support growth various facilities and infrastructure. In its growth, it must also improve quality in all respects. this case, material management plays an essential role process. The method chosen for problem is Economic Order Quantity (EOQ) method. most economical amount inventory can be determined by ca...

In the U.S.A., 70 percent of the manufactured cement and 43 percent of aggregates is used in Ready-Mixed Concrete (RMC) plants. So a material inventory control system is needed to form a consumption pattern for this material to optimize warehousing cost and ordering in RMC plants. Such a material inventory control system of batching plants could be applied as an approach for optimal estimation ...