CFD Application in Mechanical Engineering

**Chapter 8**

**Abstract**

aircraft, FlightGear

**1. Introduction**

**145**

**1.1 Why one should design FDM?**

Development of the Flight

(CFD) Simulations for an

*Adil Loya, Shoaib Arif, Muhammad Arsalan,*

*Siraj Anis, Arsalan Khan, Muhammad Saad Saeed*

CFD can be a great tool for designing FDM of an unknown aircraft.

The usage of computational fluid dynamics (CFD) has enhanced 10-fold since the last decade, especially in the area of aerospace science. In this chapter, we will focus on determining the feasibility and validity of CFD results that are plugged in flight dynamic model (FDM) to that of actual flight of an aircraft. Flight data of an actual aircraft is used to determine the aerodynamic performance of the designed FDM. In addition to this, FDM consist of various systems integration of an aircraft; however, this study will focus on aerodynamic parameter optimization. Relative analysis is carried out to validate the FDM. This will enable readers to know how

**Keywords:** flight dynamic modeling, computational fluid dynamic, aerodynamics,

Stable flight dynamic modeling and designing of an aircraft is a crucial phase faced by the aviation industry. From these perspective, when it comes to on-ground

dynamics of real flight. Smooth and stable flight is a necessary fact as the concerned pilot is not always alone, and also high risks are involved if the pilot is untrained with regard to aircraft dynamics. Therefore, ground training on flight simulators is given to pilots for a particular aircraft. However, for the particular aircraft to run on

It's a question of interest, why one should design FDM?, because the FDM is a heart for flight simulator [1]. The current dire need of flight simulators is captured

training of pilots, simulative training is required before they can face actual

flight simulators, initially its flight dynamic model (FDM) is designed.

Unknown Aircraft

*and Abdul Hameed Siddiqui*

Dynamic Model (FDM) Using

Computational Fluid Dynamic
