Nonlinear flexible multibody dynamic analysis of rotor blades with a trailing edge flap

M. Das; A. Barut; E. Madenci; F. K. Straub

Nonlinear flexible multibody dynamic analysis of rotor blades with a trailing edge flap

M. Das, A. Barut, E. Madenci, F. K. Straub

Aerospace and Mechanical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

This study presents a novel nonlinear multibody approach for the structural modeling of helicopter blades. Unlike the conventional approach of using beam elements to represent the rotor blade, the present analysis utilizes a plate element, which assumes a nonlinear strain measure and rotation, as well as transverse shear deformation. The principle of virtual work is used to derive the equations of motion. Kinematic joints are modeled by a set of constraint equations, which are invoked in the formulation through the coordinate partitioning method. The capability of the present analysis is demonstrated by considering the structural dynamics response of a composite helicopter blade with a trailing edge flap.

Original language	English (US)
Title of host publication	Collection of Technical Papers - 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
Subtitle of host publication	14th AIAA/ASME/AHS Adaptive Structures Conference, 8th AIAA Non-deterministic App
Pages	3310-3328
Number of pages	19
State	Published - Dec 1 2006
Event	47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference - Newport, RI, United States Duration: May 1 2006 → May 4 2006

Publication series

Name	Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
Volume	5
ISSN (Print)	0273-4508

Other

Other	47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
Country/Territory	United States
City	Newport, RI
Period	5/1/06 → 5/4/06

ASJC Scopus subject areas

Architecture
Materials Science(all)
Aerospace Engineering
Mechanics of Materials
Mechanical Engineering

Cite this

Das, M., Barut, A., Madenci, E., & Straub, F. K. (2006). Nonlinear flexible multibody dynamic analysis of rotor blades with a trailing edge flap. In Collection of Technical Papers - 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference: 14th AIAA/ASME/AHS Adaptive Structures Conference, 8th AIAA Non-deterministic App (pp. 3310-3328). (Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference; Vol. 5).

Nonlinear flexible multibody dynamic analysis of rotor blades with a trailing edge flap. / Das, M.; Barut, A.; Madenci, E.; Straub, F. K.

Collection of Technical Papers - 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference: 14th AIAA/ASME/AHS Adaptive Structures Conference, 8th AIAA Non-deterministic App. 2006. p. 3310-3328 (Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference; Vol. 5).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Das, M, Barut, A, Madenci, E & Straub, FK 2006, Nonlinear flexible multibody dynamic analysis of rotor blades with a trailing edge flap. in Collection of Technical Papers - 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference: 14th AIAA/ASME/AHS Adaptive Structures Conference, 8th AIAA Non-deterministic App. Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, vol. 5, pp. 3310-3328, 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, Newport, RI, United States, 5/1/06.

Das M, Barut A, Madenci E, Straub FK. Nonlinear flexible multibody dynamic analysis of rotor blades with a trailing edge flap. In Collection of Technical Papers - 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference: 14th AIAA/ASME/AHS Adaptive Structures Conference, 8th AIAA Non-deterministic App. 2006. p. 3310-3328. (Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference).

Das, M. ; Barut, A. ; Madenci, E. ; Straub, F. K. / Nonlinear flexible multibody dynamic analysis of rotor blades with a trailing edge flap. Collection of Technical Papers - 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference: 14th AIAA/ASME/AHS Adaptive Structures Conference, 8th AIAA Non-deterministic App. 2006. pp. 3310-3328 (Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference).

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AB - This study presents a novel nonlinear multibody approach for the structural modeling of helicopter blades. Unlike the conventional approach of using beam elements to represent the rotor blade, the present analysis utilizes a plate element, which assumes a nonlinear strain measure and rotation, as well as transverse shear deformation. The principle of virtual work is used to derive the equations of motion. Kinematic joints are modeled by a set of constraint equations, which are invoked in the formulation through the coordinate partitioning method. The capability of the present analysis is demonstrated by considering the structural dynamics response of a composite helicopter blade with a trailing edge flap.

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Nonlinear flexible multibody dynamic analysis of rotor blades with a trailing edge flap

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