Related Experiment Video
Updated: Jul 15, 2026
09:17
Experimental Investigation of the Flow Structure over a Delta Wing Via Flow Visualization Methods
Published on: April 23, 2018
Experimental and numerical data from comparative analysis of candidate structural models for active camber morphing
1School of Aeronautic Science and Engineering, Beihang University, Beijing 100190, China.
Data in Brief
|July 13, 2026
Summary
This study provides modal test data for FDM-printed PLA and aluminum cantilever plates. The dataset serves as a benchmark for validating structural models of morphing wings.
Area of Science:
- Mechanical Engineering
- Materials Science
- Structural Dynamics
Background:
- Modal analysis is crucial for understanding the dynamic behavior of structures.
- Experimental and numerical data are essential for validating computational models.
- Morphing wings require accurate structural models to predict their behavior during deformation.
Purpose of the Study:
- To present a comprehensive dataset of modal test data for FDM-printed PLA and CNC-machined aluminum cantilever plates.
- To provide numerical modal data from finite element models for comparison.
- To establish a benchmark for validating structural models of rigid-flexible coupled morphing wings.
Main Methods:
- Modal frequencies and mode shapes were measured using scanning laser Doppler vibrometry (SLDV).
- Finite element models were developed using ABAQUS and Nastran with various formulations.
- Material anisotropy was characterized through tensile tests on PLA specimens with different print orientations.
Main Results:
- Modal test data for 30 specimens (11 uniform, 20 stepped) were collected.
- Numerical modal data from diverse finite element models are provided.
- Material parameters, stress-strain curves, and manufacturing tolerances are included.
Conclusions:
- The dataset offers a valuable resource for researchers in structural dynamics and morphing wing technology.
- It facilitates the validation of computational models for complex structural systems.
- The data supports the development and optimization of active camber morphing wings.
Related Concept Videos
01:11Bending of Members Made of Several Materials
In analyzing a structural member composed of two different materials with identical cross-sectional areas, it is crucial to understand how their distinct elastic properties affect the member's response under load. The analysis involves assessing stress and strain distributions using the transformed section concept, which accounts for variations in material properties.
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each material's...
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each material's...
01:30Typical Model Studies
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
01:23Lift
Lift is a fundamental aerodynamic force that acts perpendicular to the direction of airflow. It plays a central role in achieving and sustaining flight and in stabilizing various vehicles. Lift primarily originates from pressure differences created across surfaces, such as an airfoil. A lower pressure region forms above the wing, while a higher pressure region forms below it, generating an upward force. This differential results from the shape and orientation of the airfoil, enabling the wing...
01:16Eccentric Axial Loading in a Plane of Symmetry
Eccentric axial loading occurs when an axial load is applied away from the centroidal axis of a structural member. This scenario is common in engineering, where structural elements may not be directly aligned due to various design or functional requirements.
01:18Indeterminate Structure
Indeterminate structures refer to structures where internal forces and reactions cannot be determined using only the equations of static equilibrium. Indeterminate structures have more unknown forces and reaction forces than equations of static equilibrium that can be used to determine them. Indeterminate structures are often used in engineering to create complex, efficient, and aesthetically pleasing structures. There are various types of indeterminate structures used in engineering and some...
01:20Bending and Torsional Moments
Bending and torsional moments are two fundamental concepts in structural engineering. They play an important role in understanding the behavior of materials and structures under different loading conditions.
The reaction developed in a structural element when subjected to an external force causes the element to bend. When a structural element bends upwards, it creates compressive normal forces on the top and tensile normal forces on the bottom, resulting in a couple that determines the bending...
The reaction developed in a structural element when subjected to an external force causes the element to bend. When a structural element bends upwards, it creates compressive normal forces on the top and tensile normal forces on the bottom, resulting in a couple that determines the bending...