DLR Portal
Home
|
Sitemap
|
Contact
Imprint and terms of use
Privacy
Cookies & Tracking
|
Deutsch
You are here:
Home
:
Institute
:
Facilities
Advanced Search
News
Trade Fairs and Events
Institute
Mission Statement
Cooperations and Networks
Quality Management
Facilities
Staff
How to find us
Departments
Wissenswelt Leichtbau
Center for Lightweight-Production-Technology
Business Areas
Strategic Fields
Projects
Publications and Media Library
Curriculum
Jobs
Test Equipment
Back
Print
Buckling test facilities
Buckling Test Facility
Investigation of the structural behaviour of stiffened and unstiffened shell structures
Buckling- and post buckling behaviour
Residual strength behaviour , e.g. after impact
Utilization of Digital Image Correlation (DIC, e.g. ARAMIS), Thermography and Acoustic Emission possible
Buckling Test Facility
Buckling Test Facility Configuration 1:
Axially symmetric cylindrical shell
CFRP-cylindrical shell under axial compression loading
Axial compression
max. 1000 kN
Torsion
max. 20 kNm
Internal pressure
max. 100 kPa
External pressure
max. 90 kPa
Length of test article
max. 2000 mm
Diameter of test article
max. 1000 mm
Buckling Test Facility Configuration 2:
Stiffened panel
Stiffened CFRP-panel under axial compression
Axial compression
max. 1000 kN
Length of test article
max. 2000 mm
Width of test article
max. 950 mm
Buckling Test Facility Configuration 3:
Shear-compression test rig
Stiffened panel in shear-compression test rig
Axial compression
max. 380 kN (1000 kN, extended)
Shear
max. 210 kN (500 kN, extended)
Axial stroke
max. 40 mm
Shear stroke
max. 100 mm
Length of test article
max. 1400 mm
Width of test article
max. 1200 mm
Radius of test article
1550 mm- 2300 mm (3000 mm, extended)
Dynamic Pulse Load Buckling Test Facility
Investigation of dynamic buckling process of axially symmetric shells under impulsive loading
Comparison of static to impulsive loading under unchanged boundary conditions
Application of high-speed Digital Image Correlation (DIC), e.g. ARAMIS
Dynamic Pulse Load Buckling Test Facility
Static axial load
42 kN
Axial displacement
15 mm
Min. velocity axial load
0,001 mm/s
Max. velocity of impulsive loading
3500 mm/s
Nominal diameter of test article
500 mm
Length of test article
max. 600 mm
Dropmass for impulsive loading
116 kg … 426 kg
Dropheight
max. 1 m
Measurement rate
max. 96 kHz
Copyright © 2024 German Aerospace Center (DLR). All rights reserved.