SOME ASPECTS OF THE DESIGN OF THE SUSPENSION SYSTEMS OF HEAVY GOODS VEHICLES

Considerable improvement is needed in the aspects of heavy goods vehicle design related to ride comfort and road loading. A well designed vehicle 37% heavier than the present typical UK truck of 32 tonne will be about 9% more efficient in terms of fuel consumption per tonne of payload and cause less road damage. The techniques such as mathematical modeling, modal analysis, fatigue and fracture mechanics, and finite element design will need to be used more extensively. However, one of the major obstacles is the lack of detailed service history. The "vibration isolation system" of a vehicle is affected by a multitude of effects. Three aspects are considered: (1) dynamic behaviour of tandem axle sets; (2) resonance of chassis frame bending; and (3) dynamic coupling of articulated vehicles. The role of mathematical modeling, modal analysis, finite element design and accelerated testing are also reviewed. (Author/TRRL)

• Corporate Authors:

  Technology University

  Department of Transport Technology
  Loughborough, Leicestershire,   England 
• Authors:
  • Baas, P H
• Publication Date: 1980-10

Media Info

• Features: Figures; References;
• Pagination: 25 p.

Subject/Index Terms

• TRT Terms: Axle load force; Comfort; Design; Dynamics; Finite element method; Friction; Fuel injection; Heavy vehicles; Mathematical models; Resonance; Riding qualities; Suspension systems; Suspensions; Trucks; Vibration
• Uncontrolled Terms: Articulated vehicles
• Old TRIS Terms: Road holding; Truck pavement damage
• ITRD Terms: 1225: Articulated vehicle; 9138: Comfort; 5473: Dynamics; 6490: Finite element method; 1236: Lorry; 6473: Mathematical model; 5569: Resonance; 1329: Suspension (veh); 1646: Vehicle handling; 5558: Vibration
• Subject Areas: Design; Highways; Motor Carriers; Vehicles and Equipment; I91: Vehicle Design and Safety; I92: Vehicle Comfort;

Filing Info

• Accession Number: 00331834
• Record Type: Publication
• Source Agency: Transport Research Laboratory
• Report/Paper Numbers: No. TT8003 Monograph
• Files: ITRD, TRIS
• Created Date: Aug 15 1981 12:00AM