second order accurate

Conservative

Transportive

unconditionally bounded

conditionally bounded

aP=aW+aE+SP{"version":"1.1","math":"a_P=a_W+a_E+S_P"}

aP=aW−aE+SP{"version":"1.1","math":"a_P=a_W-a_E+S_P"}

aP=aW−aE−SP{"version":"1.1","math":"a_P=a_W-a_E-S_P"}

aP=aW+aE−SP{"version":"1.1","math":"a_P=a_W+a_E-S_P"}

central differencing scheme

hybrid scheme

power law scheme

upwind scheme

the transported quantity at the weastern element's side is affected by the quantity at the weastern node

the transported quantity at the weastern element's side is affected by the quantity at the central  element's node

the transported quantity at the eastern element's side is affected by the quantity at the western element's side

the transported quantity at the eastern element's side is affected by the quantity at the eastern node