Computerised diffraction tomography for structural health monitoring. Structural health monitoring (SHM) offers the prospect of a quantum gain in performance and efficiency for the design and structural integrity management of high-value assets (e.g. aircraft). The aims of this project are to develop and validate efficient computational tools for:
(i) Characterising the scattering of the Lamb waves by defects or boundaries, and
(ii) Implementing robust and versatile approaches to tomographic i ....Computerised diffraction tomography for structural health monitoring. Structural health monitoring (SHM) offers the prospect of a quantum gain in performance and efficiency for the design and structural integrity management of high-value assets (e.g. aircraft). The aims of this project are to develop and validate efficient computational tools for:
(i) Characterising the scattering of the Lamb waves by defects or boundaries, and
(ii) Implementing robust and versatile approaches to tomographic imaging of laminar defects or damage from experimental/synthetic scattered field data.
This project will result in the development of a validated and versatile SHM system for quantifying damage that is analogous to computerised tomography in medical imaging.Read moreRead less
Topological Design of Mechanical Meta-Structures. This project aims to establish a new computational design methodology to address current challenges facing creation of ultralight structures with ultra-high-performance characteristics. The latest technologies in structural topology optimization and its correlated numerical simulation and structural analysis methods will be unified towards an integrated design framework. Expected outcomes include an advanced generative design platform for discove ....Topological Design of Mechanical Meta-Structures. This project aims to establish a new computational design methodology to address current challenges facing creation of ultralight structures with ultra-high-performance characteristics. The latest technologies in structural topology optimization and its correlated numerical simulation and structural analysis methods will be unified towards an integrated design framework. Expected outcomes include an advanced generative design platform for discovering novel geometries to underpin new meta-structure architectures, validated by appropriate fabrication techniques considering their geometric complexity. Such capabilities will benefit defence, civil, aerospace, energy and transport industries that pursue competitive advantage through innovation.Read moreRead less
A Mechanistic Approach to the Compression Properties of Z-Pinned Composites. The proposed research is a fundamental investigation of the compressive mechanical properties and failure mechanisms of fibre reinforced polymer (FRP) composites reinforced with z-pins. These composites are a new material with strong potential applications in aerospace structures subject to high compressive loads, however their compressive properties are poorly understood. Using theoretical modelling, finite element an ....A Mechanistic Approach to the Compression Properties of Z-Pinned Composites. The proposed research is a fundamental investigation of the compressive mechanical properties and failure mechanisms of fibre reinforced polymer (FRP) composites reinforced with z-pins. These composites are a new material with strong potential applications in aerospace structures subject to high compressive loads, however their compressive properties are poorly understood. Using theoretical modelling, finite element analysis and experimentation, the research program will greatly enhance the fundamental understanding of the strengthening and failure mechanisms of z-pinned composites. A key outcome of the research will be design guidelines for optimising the pinning of composites for maximum structural performance in aerospace applications.Read moreRead less
Novel quantitative sizing of inaccessible and hard-to-inspect defects to address the challenges posed by innovations in airframe design. Modern unitised aircraft structures cannot be reliably inspected using traditional techniques. This project will develop new techniques to quantify defects required for this innovation in aircraft component design. This research will improve the through-life support of future metallic and composite aircraft structures and improve air safety.
Response of Metallic Foam Core Sandwich Panels under Impact and Blast Loadings. Human or natural disasters such as vehicle crashes, terrorist attacks or tsunami take place with catastrophic consequences, including significant loss of life and considerable financial losses. For example, in Australia in 2002 over 1,700 people died as a result of vehicle crashes. Research on new materials composites and novel composite structures for use in vehicles, buildings and other man-made structures will be ....Response of Metallic Foam Core Sandwich Panels under Impact and Blast Loadings. Human or natural disasters such as vehicle crashes, terrorist attacks or tsunami take place with catastrophic consequences, including significant loss of life and considerable financial losses. For example, in Australia in 2002 over 1,700 people died as a result of vehicle crashes. Research on new materials composites and novel composite structures for use in vehicles, buildings and other man-made structures will be undertaken to evaluate their performance under extreme or disastrous conditions. This project will investigate the performance of sandwich panels with a cellular core structure under high impact or blast loading conditions. The findings will be directly applicable to structural design of military and civil vehicles and components for the aerospace industry in order to mitigate the level of impact or blast loading under extreme conditions.Read moreRead less
Dynamic Properties of Mechanical Metamaterials: Optimization and Experiment. The aim of this project is to develop novel mechanical metamaterials through topology optimization for manipulating the propagation of elastic and acoustic waves. Mechanical metamaterials achieve exotic dynamic properties, which have many applications ranging from noise management and vibration control to defence. The computational tool and optimization algorithms to be developed will seamlessly integrate with additive ....Dynamic Properties of Mechanical Metamaterials: Optimization and Experiment. The aim of this project is to develop novel mechanical metamaterials through topology optimization for manipulating the propagation of elastic and acoustic waves. Mechanical metamaterials achieve exotic dynamic properties, which have many applications ranging from noise management and vibration control to defence. The computational tool and optimization algorithms to be developed will seamlessly integrate with additive manufacturing to enable the end-users to characterize, design and fabricate the next generation of mechanical metamaterials in an effective way. The outcomes of this project offer significant benefits for the long-term and sustainable development of knowledge-based economy in Australia.Read moreRead less
A new biomechanical model for understanding aging of stored Red Blood Cells. This project plans to develop a novel modelling framework to accurately represent the biomechanical properties of red blood cells (RBCs) over time under stored conditions. Stored RBCs suffer ageing-related deformability changes which impede RBC functions. The framework aims to integrate models for RBC membrane, inside haemoglobin and outside storage solution, and accounts for ageing effects by embedding time-dependent c ....A new biomechanical model for understanding aging of stored Red Blood Cells. This project plans to develop a novel modelling framework to accurately represent the biomechanical properties of red blood cells (RBCs) over time under stored conditions. Stored RBCs suffer ageing-related deformability changes which impede RBC functions. The framework aims to integrate models for RBC membrane, inside haemoglobin and outside storage solution, and accounts for ageing effects by embedding time-dependent correlations. It should provide new insights and understanding of the mechanisms of deformability changes of RBCs during stored lifespan. Therefore, it should significantly improve blood storage industry practices in terms of improving RBC storage protocols with preventative ageing strategies.Read moreRead less
Task-centric Synthesis for Wearable Assistive Robots. Wearable Assistive Robots, designed to be worn on the human body, show tremendous potentials to provide what the wearer lacks in performing physically challenging tasks, such as seen in manufacturing, agricultural and healthcare industries. However, fundamental challenges still prevent the realisation of such benefits in the practical settings outside the laboratory. This project addresses these challenges by establishing (1) a systematic des ....Task-centric Synthesis for Wearable Assistive Robots. Wearable Assistive Robots, designed to be worn on the human body, show tremendous potentials to provide what the wearer lacks in performing physically challenging tasks, such as seen in manufacturing, agricultural and healthcare industries. However, fundamental challenges still prevent the realisation of such benefits in the practical settings outside the laboratory. This project addresses these challenges by establishing (1) a systematic design approach for wearable robots to achieve the intended task while optimising other relevant considerations, such as human factors and the practical bulk of the robot; and (2) a novel control and interaction strategy to accommodate the variations in realistic living and working environments.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0453398
Funder
Australian Research Council
Funding Amount
$161,075.00
Summary
A Non Contact Facility For Measuring Irreversible Energy, Residual Stress, and Full Field Stresses for Critical Rail Infra-Structure Assessment. To meet the national rail objectives as enunciated in the 2002 Green Paper there is an urgent requirement for a capability for: i) advanced (rail) prototype assessment, ii) rapid assessment of rail infra-structure, iii) for increasing the capacity of existing (rail) infra-structure. To address this we propose a facility with both a dissipative energy m ....A Non Contact Facility For Measuring Irreversible Energy, Residual Stress, and Full Field Stresses for Critical Rail Infra-Structure Assessment. To meet the national rail objectives as enunciated in the 2002 Green Paper there is an urgent requirement for a capability for: i) advanced (rail) prototype assessment, ii) rapid assessment of rail infra-structure, iii) for increasing the capacity of existing (rail) infra-structure. To address this we propose a facility with both a dissipative energy measurement and a 'lock in' thermograpghy capability. Recent Australian developments in thermo-elasticity enables the researchers to extend this facility to measure residual stress in complex components. The ability to measure dissipated energy, residual stress, ultrasonic waves, and full field stress will create a unique research capability.Read moreRead less