Abstract
Molecular dynamic simulation is carried out at the system of bent molecules to study the effect of the molecular shape to the liquid crystalline ordering. The molecule is a dimer of two types of Gay-Berne particles connected by harmonic spring at each end and makes a bent angle at isolated state as an energy minimum. A decrease of clearing temperature with increase of the bent angle of molecule is depicted. The Relation of the ordering to the flexibility of molecule is tested by changing the stiffness of the conecting spring. Several systems of dimer with altered length of Gay-Berne particles are also tested to study the effect of molecular shape.