Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Development of Aircraft Spoiler Demonstrators for Cost-Efficient
  Investigations of SHM Technologies under Quasi-Realistic Loading Conditions   An idealized 1:2 scale demonstrator and a numerical parameter optimization
algorithm are proposed to closely reproduce the deformation shape and, thus,
spatial strain directions of a real aerodynamically loaded civil aircraft
spoiler using only four concentrated loads. Cost-efficient experimental studies
on demonstrators of increasing complexity are required to transfer knowledge
from coupons to full-scale structures and to build up confidence in novel
structural health monitoring (SHM) technologies. Especially for testing novel
sensor systems that depend on or are affected by mechanical strains, e.g.,
strain-based SHM methods, it is essential that the considered lab-scale
structures reflect the strain states of the real structure at operational
loading conditions. Finite element simulations with detailed models were
performed for static strength analysis and for comparison to experimental
measurements. The simulated and measured deformations and spatial strain
directions of the idealized demonstrator correlated well with the numerical
results of the real aircraft spoiler. Thus, using the developed idealized
demonstrator, strain-based SHM systems can be tested under conditions that
reflect operational aerodynamic pressure loads, while the test effort and costs
are significantly reduced. Furthermore, the presented loading optimization
algorithm can be easily adapted to mimic other pressure loads in plate-like
structures to reproduce specific structural conditions.

18
The categories of this paper are: econ
10
The categories of this paper are: q-bio
0
The categories of this paper are: hep-ph
15
The categories of this paper are: nucl-ex
8
The categories of this paper are: hep-ex
35
The categories of this paper are: mtrl-th
4
The categories of this paper are: cond-mat
12
The categories of this paper are: nucl-th
29
The categories of this paper are: funct-an
11
The categories of this paper are: hep-lat
21
The categories of this paper are: adap-org
31
The categories of this paper are: ao-sci
13
The categories of this paper are: quant-ph
33
The categories of this paper are: plasm-ph
17
The categories of this paper are: q-fin
24
The categories of this paper are: dg-ga