Abstract :
In line with the rapid progress of modernization, human?s need of
technology is growing. It goes along with Aviation which always expands their
sophisticated technology to help humans achieve their goals; not only for the
purpose of human?s transportation, but also for goods delivery. UAV cargo
plane is expected to be beneficial in many sectors, especially in producing a
faster, low-cost, and efficient goods delivery. According to the mission,
designing UAV cargo plane requires a specific internal aircraft frame design
and analysis; to be able to measure its Equivalent Stress and its Maximum
Deformation as the indicator of the aircraft frame?s strength and endurance.
Indeed, it is important to ensure the UAV cargo plane could fly with maximum
quality without failure.
The process of designing internal aircraft frame includes choosing the
right material and determining both geometrical and configuration of the
aircraft parts which later will be analyzed. Then, the aircraft frame testing
process is done by creating aero-modeling using CATIA software. The aero?modeling is done for wing section, fuselage, and empennage. Each part is
analyzed using ANYSYS software to measure the value of Maximum Equivalent
Stress and Maximum Deformation while loaded, with the load factor of 3. When
the Margin of Safety result of the analysis is positive, then the aircraft frame is
considered safe.
The result of the aircraft frame testing indicates that the biggest
distribution of Maximum Equivalent Stress happens on the wing section,
specifically at the root wing with the value of 174.72 MPa. While on the
fuselage, the value is 6.3808 × 10-2 MPa. As for the empennage, the value is
0.85493 MPa. Maximum Deformation happens on the wing section is 4.1568, on
the fuselage is 207.4378, while on the empennage is 1052.8874. Both results
indicate that, in general, the aircraft frame for UAV cargo plane is safe.