An Open Access Journal
parameters | description |
---|---|
I | Collection of all sites (i, j ∈ I), I1 represents a collection of Chinese sites, I2 represents a collection of European sites. |
I1 | Collection of train companies (k, g ∈ I1).As the train company is based on the Chinese city, it is represented by the collection of Chinese stations. |
T | Decision period length, weeks. |
\( {\mathrm{b}}_{\mathrm{ik}}^{\mathrm{t}} \) | The initial volume of k company’s containers at station i at the end of t period, FEU. |
\( {\mathrm{d}}_{\mathrm{ijk}}^{\mathrm{t}} \) | The demand of k company’s container transportation from station i to station j in t period, FEU. |
cij | Single case transportation cost from station i to station j, USD / FEU. |
cj | Rental of single container and single time cost of CRCT, USD / FEU. |
cy | Single case and single time cost of COSCO Shipping Group, USD / FEU. |
cjoutlast | Rental of overdue single container of CRCT, USD / FEU * week. |
cyoutlast | Rental of COSCO Shipping Group’s single case overdue cost, USD / FEU * week. |
\( c{j}_i^{trans} \) | Transportation cost of single container from station i to the nearest rental and return point of CRCT, USD / FEU. |
\( \mathrm{c}{\mathrm{y}}_{\mathrm{i}}^{\mathrm{trans}} \) | Transportation cost of single container from station i to the nearest rental and return point of COSCO Shipping Group, USD / FEU. |
\( {\mathrm{c}}_{\mathrm{i}}^{\mathrm{store}} \) | Single container and single cycle storage cost of site i, USD / FEU * week. |
hj | Leasing the container of CRCT for a single time, week. |
hy | Lease the container of COSCO Shipping Group for a single time, week. |
\( {\mathrm{x}}_{\mathrm{ijkg}}^{\mathrm{t}} \) | In t period, K company calls the number of containers from G company at site i to site j, FEU. |
\( \mathrm{l}{\mathrm{j}}_{\mathrm{ik}}^{\mathrm{t}} \) | In t period, K company rented the container volume of CRCT at site i, FEU. |
\( \mathrm{l}{\mathrm{y}}_{\mathrm{ik}}^{\mathrm{t}} \) | In t period, K company rented COSCO Shipping Company’s container volume at site i, FEU. |
\( \mathrm{h}{\mathrm{j}}_{\mathrm{ik}}^{\mathrm{t}} \) | In t period, K company returns the container quantity of CRCT at site i, FEU. |
\( \mathrm{h}{\mathrm{y}}_{\mathrm{ik}}^{\mathrm{t}} \) | In t period, K company returns the container quantity of COSCO Shipping Company at site i, FEU. |
hjot | The container quantity of China Railway Container Co., Ltd. not returned due to overdue period in t period, FEU. |
\( \mathrm{hy}{\mathrm{o}}_{\mathrm{dom}}^{\mathrm{t}} \) | Container volume of COSCO Shipping Company in t period due to overdue return in China, FEU. |