Thomas Engels
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View article: Muscle power output reflects elevated viscosity in the propulsion system of flying miniature wasps
Muscle power output reflects elevated viscosity in the propulsion system of flying miniature wasps Open
Air viscosity compromises aerodynamic lift production in the smallest flying insects, leading to increased flight costs. Miniature insects thus utilize both lift and drag for weight support, but the exact energetic costs of wing flapping a…
View article: Adaptations in wing morphology rather than wingbeat kinematics enable flight in small hoverfly species
Adaptations in wing morphology rather than wingbeat kinematics enable flight in small hoverfly species Open
Due to physical scaling laws, size greatly affects animal locomotor ability and performance. Whether morphological and kinematic traits always jointly respond to size variation remains poorly known. Here, we examine the relative importance…
View article: Olfactory performance explains duality of antennal architectural designs in Lepidoptera
Olfactory performance explains duality of antennal architectural designs in Lepidoptera Open
Male attraction by females through sex pheromones is widespread among Lepidoptera, and antennae are key olfactory organs during male orientation. Broadly speaking, two designs of antennae coexist in Lepidoptera: complex (pectinate) or stic…
View article: Muscle power output reflects elevated viscosity in the propulsion system of flying miniature wasps
Muscle power output reflects elevated viscosity in the propulsion system of flying miniature wasps Open
Air viscosity compromises aerodynamic lift production in the smallest flying insects, leading to increased flight costs. Miniature insects thus utilize both lift and drag for weight support but the exact energetic costs of wing flapping at…
View article: Adaptations in wing morphology rather than wingbeat kinematics enable flight in small hoverfly species
Adaptations in wing morphology rather than wingbeat kinematics enable flight in small hoverfly species Open
Due to physical scaling laws, size greatly affects animal locomotor ability and performance. Whether morphological and kinematic traits always jointly respond to size variation is however poorly known. Here, we examine the relative importa…
View article: Adaptations in wing morphology rather than wingbeat kinematics enable flight in small hoverfly species
Adaptations in wing morphology rather than wingbeat kinematics enable flight in small hoverfly species Open
Due to physical scaling laws, size greatly affects animal locomotor ability and performance. Whether morphological and kinematic traits always jointly respond to size variation is however poorly known. Here, we examine the relative importa…
View article: Dynamical Model and Tracking Controller for a Novel Flapping Wing Drone Platform
Dynamical Model and Tracking Controller for a Novel Flapping Wing Drone Platform Open
International audience
View article: Olfactory performance explains duality of antennal architectural designs in Lepidoptera
Olfactory performance explains duality of antennal architectural designs in Lepidoptera Open
Male attraction by females through sex pheromones is widespread among Lepidoptera, and antennae are key olfactory organs during male orientation. Broadly speaking, two designs of antennae coexist in Lepidoptera: complex (pectinate) or stic…
View article: Reviewer #3 (Public Review): Changes in wing morphology rather than wingbeat kinematics enabled evolutionary miniaturization of hoverflies
Reviewer #3 (Public Review): Changes in wing morphology rather than wingbeat kinematics enabled evolutionary miniaturization of hoverflies Open
Due to physical scaling laws, size greatly affects animal locomotor ability and performance. Whether morphological and kinematic traits always jointly respond to size variation is however poorly known. Here, we examine the relative importa…
View article: Changes in wing morphology rather than wingbeat kinematics enabled evolutionary miniaturization of hoverflies
Changes in wing morphology rather than wingbeat kinematics enabled evolutionary miniaturization of hoverflies Open
Due to physical scaling laws, size greatly affects animal locomotor ability and performance. Whether morphological and kinematic traits always jointly respond to size variation is however poorly known. Here, we examine the relative importa…
View article: Adaptations in wing morphology rather than wingbeat kinematics enable flight in small hoverfly species
Adaptations in wing morphology rather than wingbeat kinematics enable flight in small hoverfly species Open
Due to physical scaling laws, size greatly affects animal locomotor ability and performance. Whether morphological and kinematic traits always jointly respond to size variation remains poorly known. Here, we examine the relative importance…
View article: Reviewer #1 (Public Review): Changes in wing morphology rather than wingbeat kinematics enabled evolutionary miniaturization of hoverflies
Reviewer #1 (Public Review): Changes in wing morphology rather than wingbeat kinematics enabled evolutionary miniaturization of hoverflies Open
Due to physical scaling laws, size greatly affects animal locomotor ability and performance. Whether morphological and kinematic traits always jointly respond to size variation is however poorly known. Here, we examine the relative importa…
View article: Author response: Changes in wing morphology rather than wingbeat kinematics enabled evolutionary miniaturization of hoverflies
Author response: Changes in wing morphology rather than wingbeat kinematics enabled evolutionary miniaturization of hoverflies Open
Due to physical scaling laws, size greatly affects animal locomotor ability and performance. Whether morphological and kinematic traits always jointly respond to size variation is however poorly known. Here, we examine the relative importa…
View article: Reviewer #2 (Public Review): Changes in wing morphology rather than wingbeat kinematics enabled evolutionary miniaturization of hoverflies
Reviewer #2 (Public Review): Changes in wing morphology rather than wingbeat kinematics enabled evolutionary miniaturization of hoverflies Open
Due to physical scaling laws, size greatly affects animal locomotor ability and performance. Whether morphological and kinematic traits always jointly respond to size variation is however poorly known. Here, we examine the relative importa…
View article: Adaptations in wing morphology rather than wingbeat kinematics enable flight in small hoverfly species
Adaptations in wing morphology rather than wingbeat kinematics enable flight in small hoverfly species Open
Due to physical scaling laws, size greatly affects animal locomotor ability and performance. Whether morphological and kinematic traits always jointly respond to size variation is however poorly known. Here, we examine the relative importa…
View article: Computational aerodynamics of insect flight using volume penalization
Computational aerodynamics of insect flight using volume penalization Open
The state-of-the-art of insect flight research using advanced computational fluid dynamics techniques on supercomputers is reviewed, focusing mostly on the work of the present authors. We present a brief historical overview, discuss numeri…
View article: Data-driven reduced order modeling for flows with moving geometries using shifted POD
Data-driven reduced order modeling for flows with moving geometries using shifted POD Open
International audience
View article: Flight activity and age cause wing damage in house flies
Flight activity and age cause wing damage in house flies Open
Wing damage attenuates aerial performance in many flying animals such as birds, bats and insects. Insect wings are especially light in order to reduce inertial power requirements for flight at elevated wing flapping frequencies. There is a…
View article: An experimental data-driven mass-spring model of flexible <i>Calliphora</i> wings
An experimental data-driven mass-spring model of flexible <i>Calliphora</i> wings Open
Insect wings can undergo significant deformation during flapping motion owing to inertial, elastic and aerodynamic forces. Changes in shape then alter aerodynamic forces, resulting in a fully coupled fluid-structure interaction (FSI) probl…
View article: Flight efficiency is a key to diverse wing morphologies in small insects
Flight efficiency is a key to diverse wing morphologies in small insects Open
Insect wings are hybrid structures that are typically composed of veins and solid membranes. In some of the smallest flying insects, however, the wing membrane is replaced by hair-like bristles attached to a solid root. Bristles and membra…
View article: A novel flight style allowing the smallest featherwing beetles to excel
A novel flight style allowing the smallest featherwing beetles to excel Open
Flight speed generally correlates positively with animal body size 1 . Surprisingly, miniature featherwing beetles can fly at speeds and accelerations of insects three times as large 2 . We show here that this performance results from a pr…
View article: A Wavelet-Adaptive Method for Multiscale Simulation of Turbulent Flows in Flying Insects
A Wavelet-Adaptive Method for Multiscale Simulation of Turbulent Flows in Flying Insects Open
We present a wavelet-based adaptive method for computing 3D multiscale flows in complex, time-dependent geometries, implemented on massively parallel computers. While our focus is on simulations of flapping insects, it can be used for othe…
View article: Data underlying figures from Flight efficiency is a key to diverse wing morphologies in small insects
Data underlying figures from Flight efficiency is a key to diverse wing morphologies in small insects Open
An Excel spreadsheet that includes the data underlying Figure 2a, Figure 4 and Figure 5.