Efficient ODE Set-up and Results Processing for Particle Trajectory Simulation
This webinar addresses practical computational issues in discrete calculations of the path of charged or multipole particles in electric and magnetic fields.
We begin by showing the theory and an Excel macro implementation of some standard ODE time-based solvers as applied to the charged-particle case. We also discuss potential benefits of a nonstandard distance-based solver configuration.
Next some examples are provided to illustrate trade-offs between the number of calculations and the accuracy of the result according to various criteria. For example, depending on one’s needs, the simulation set-up might produce output that is either a dense set of (x, y, z) points that plot as a smooth curve, or a much sparser set of points that are individually more accurate than the dense set.
The webinar will end by examining what can be done with the data obtained. Calculations based on a linear interpolation between points are straightforward, but may force one to use an inefficient ODE set-up. This can take excessive computation resources, hence a longer time than necessary to produce accurate results. Some alternatives will be demonstrated using various degrees of physical insight to get the most information possible from the given ODE output data.
RecordedDec 6 201660 mins
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The webinar, aimed at early career researchers, will cover a range of topics including how to choose the right journal, peer-review and publication ethics, and your open access publishing options thanks to funding agreements in Austria.
Jordan Moering, Protochips and Ray Unocic, Oak Ridge National Lab
As the imaging and analytical capabilities of the modern transmission electron microscope (TEM) have improved, it has become an increasingly vital tool to characterize and study nanoscale materials. With the advent of MEMS-based sample supports, researchers are now capable of easily heating and electrically characterizing their sample in situ, directly imaging the dynamic sample reactions occurring at the atomic scale.
For semiconductor and electrical device applications, Protochips has developed focused ion beam (FIB) tools and sample preparation workflows that enable researchers to prepare FIB lamellae directly on MEMS-based sample supports, allowing pA-level electrical characterization of their sample at atomic resolution. With the growing interest surrounding graphene and other 2D materials, in situ TEM has become increasingly utilized to accelerate the discovery of these next-generation materials. At Oak Ridge National Laboratory, researchers Xiahan Sang and Ray Unocic used in situ heating to synthesize and characterize complex structural and chemical transformations of edge defects at atomic resolution. Their work pioneered new means by which 2D materials could be engineered directly in the TEM, opening new avenues for materials development and characterization. These and other novel results in the field of material science will be presented in this webinar.
A new class of radiation devices is emerging, and it has the potential to transform how cancer is treated through more precise tumor targeting and adapting treatment at the time of delivery. High-field MR-linac technology integrates the power of state-of-the-art MR imaging with precision radiation technology. It can deliver precisely-targeted radiation doses while simultaneously capturing the highest-quality MR images. This will allow clinicians to visualize tumors and the surrounding healthy tissue at any time during radiation delivery, and then adapt the treatment accordingly.
High-field MR-linac devices based on diagnostic-standard MRI technology will offer many avenues for exploring improvements in radiotherapy, such as shorter treatment regimens or targeted adaption of the treatment in real time. Also, by integrating precision radiation and MRI technologies, high-field MRI capabilities can be optimally explored to help bring personalized cancer care to radiation therapy.
During this webinar, clinical experts will share their experience with Elekta Unity.
Fredrik Löfman, RaySearch and Tom Purdie, Princess Margaret Cancer Centre
During the first part of the webinar, Fredrik Löfman, head of machine learning at RaySearch, will discuss how RaySearch is pioneering machine learning for smarter and faster oncology software. He will talk about the upcoming machine-learning applications in RayStation that will be released in December*: automatic treatment planning and automatic organ segmentation. Furthermore, Löfman will discuss some of the other machine-learning projects that RaySearch is working on, such as target-volume delineation, analytics on oncology data and RayCare as a learning system.
In the second part, Tom Purdie, medical physicist at Princess Margaret Cancer Centre, will talk about automatic treatment planning and machine learning from a clinical perspective. He will present results from a clinical comparison between retrospective plans and ML automated plans.
* Subject to regulatory clearance in some markets.
English is the lingua franca for scholarly communication, and most international journals with a wide global readership are printed in English. Submitting manuscripts in poor English can put researchers at a disadvantage and delay the publication of research. This session will highlight the importance of quality English writing and the need to communicate your research effectively. This session will also focus on understanding journals and the types of manuscripts they publish, so that you can identify the best type of article for your study.
Susanna Eriksson, Head of Product Management Electron Spectroscopy
During the past decade, increased attention has been shown to hard X-rays in the photoelectron spectroscopy (HAXPES) field. This is mainly due to the increased information depth enabled by the higher photon energies. Such bulk sensitive measurements could previously only be performed at dedicated synchrotron radiation facilities. The beam lines providing this type of radiation are heavily booked, so access to the experimental setups is thus limited. Higher excitation energies also enables bulk sensitive measurements of deep core levels not accessible with standard XPS.
We will present a new system featuring a monochromized X-ray source giving out Ga Ka radiation at 9.25keV and a wide acceptance angle hemispherical electron analyzer, both combined on a simple to use vacuum system. With this system, a new set of possible experiments opens up in the home laboratory: investigations of buried interfaces, in operando devices, real world samples, etc.
Join us for this 45 minute webinar with the author of Sun Protection: A risk management approach, Professor Brian Diffey. Professor Diffey will give an overview of his book, key learning points and answer your questions in a live Q&A.
About the book
Sun Protection differentiates itself from other texts by adopting a risk-management approach to determine whether, how, and in what circumstances, harm might be caused, and to explore the feasibility of various strategies in controlling exposure to solar UV radiation. This multi-disciplinary book covers topics from climatology through human exposure to sunlight, as well as biological and clinical effects of UV radiation to physical and chemical strategies for photoprotection.
This webinar is recommended viewing for biologists and dermatologists and will be of interest to physical scientists and those working in the skin care industry.
Jorge Pelegrín Mosquera – Research Fellow at University of Southampton
Air was first liquefied in 1877. Since then, the cooling power has been harnessed for many applications that have impacted science and society.
In this webinar a review of the applications that cryogenics has enabled will be presented. From gas liquefaction to the use of cryocoolers in applications such as MRI scans, particle detectors, accelerators or fusion technology.
Looking to the future of cryogenics, quantum-computing promises vastly increased computational power via the use of novel materials. Superconducting and cryogenic technologies offer cleaner, more efficient transport and power networks.
Miguel A. Palacios, Medical Physicist at VU Medical Centre and Lauren Henke, Radiation Oncologist at Washington University
Learn about the rationale and workflow for modifying radiation therapy treatments while the patient is on the table using Real-time On-table Adaptive Radiotherapy. Clinicians from hospitals in Amsterdam and St. Louis, MO will discuss their methodologies and clinical outcomes with the MRIdian® Linac system.
MRI-Guided ROAR™ - Real-time On-table Adaptive Radiotherapy represents a new paradigm in the treatment of cancer, providing clinicians with the ability to improve targeting precision and thus deliver higher, and potentially more effective, radiation doses.
• Learn how clinicians are adapting the radiation dose in real-time and watching every change/motion near the tumour with high contrast, soft-tissue imaging
• Understand the clinical workflow of real-time, on-table adaptive radiotherapy
• Hear examples of how MR Image-Guided Radiotherapy allows for personalized radiation therapy treatments and opportunistic dose escalation or de-escalation to avoid toxicity
Holger Neumann – Divisional Head of Cryogenics of Institute for Technical Physics (ITEP) of KIT
1. Introduction with motivation to the best kind of insulation for cryogenic applications
2. Heat transfer mechanisms
3. Description of MLI
4. Heat transfer calculation
5. Special influences on insulation performance like contact pressure, layer density, T-junctions
An introductory guide to the health and safety considerations required when using cryogenic equipment. The presentation will be based on the recently published fifth edition of the BCC cryogenic safety manual, will look at the legislation in place, and highlight some of the more significant hazards associated with cryogenics. The underlying theme will be a focus on reducing risks.
- IOP journals/Open Access new launches
- Why publish at all?
- Choosing your journal
- Writing your paper
- Top 10 tips for getting published
- Peer review process
- Publication ethics
- Access to IOP journals
Duration: 45 minutes
Questions at the end: 15 minutes
Dr Seth Shostak Senior Astronomer, Institute Fellow SETI Institute Dr. Colin Coates, Product Manager Research and OEM
There has been, until now, no compelling evidence for biology beyond the confines of our own planet. And yet, people who investigate this topic feel confident that – within two decades – we will trip across life forms that are not, and never have been, earthlings. Why are they so optimistic that we will soon find some cosmic confrères, and what might be the implications of such a discovery?
Robyn Pritchard, Consultant Physicist The Technology Partnership (TTP) and Andrew Young, Technical Manager COMSOL
If you are interested in using simulation to enhance the development of a microfluidic device, then tune into this webinar with Robyn Pritchard from The Technology Partnership (TTP).
Cell sorting is a staple of many cell biology labs. The current gold standard, fluorescence-activated cell sorting (FACS), is limited to processing roughly 10,000 cells per second to avoid irreparable damage. For many new advances in cell therapy (e.g., autologous T-cell therapy for cancer), throughput of up to a billion cells in a few hours is essential. TTP set out to break through the current limit by developing a novel microfluidic cell sorter.
In this webinar, Robyn will discuss how TTP used the COMSOL Multiphysics® software to design and invent the world’s smallest ultrafast microfluidic cell sorter, where the key discovery was the inertial vortex. Robyn will also show how TTP's simulations correspond to reality with their fully working microfluidic chip.
The webinar will include a live demonstration and conclude with a Q&A session.
Susan Lalondrelle and Uwe Oelfke, Institute of Cancer Research/Royal Marsden Hospital
A new class of radiation devices is emerging that has the potential to transform how cancer is treated through more precise tumour targeting and the adaptation of treatment every time. High-field MR-linac technology integrates the power of state-of-the-art MR imaging with precision radiation technology. It can deliver precisely targeted radiation doses while simultaneously capturing the highest-quality MR images, which will allow clinicians to visualize both tumours and the surrounding healthy tissue at any time during radiation delivery, and adapt the treatment accordingly.
During this webinar, clinical experts will share their experience with a novel high-field MR-linac. The speakers are currently utilizing this new technology and will present their latest work on the imaging studies that have been undertaken prior to clinical introduction. This work will support the new and rapidly emerging area of MR radiation therapy (MR/RT).
High-field MR-linac devices based on diagnostic-standard MRI technology will offer many avenues for exploring improvements in radiotherapy, such as shorter treatment regimens or targeted adaptation of the treatment in real time. Also, by integrating precision radiation and MRI technologies, high-field MRI capabilities can be optimally explored to help bring personalized cancer care to radiation therapy.
Elekta MR-linac is work in progress and not available for sale
HDR skin brachytherapy can bring added value to any brachytherapy program. Join Dr Michael Kasper and physicist Zoubir Ouhib from the Lynn Cancer Institute to learn more about how to start or add a skin program the right way. Topics will include the necessary equipment, key team members and the general considerations critical to program success.
Tomotherapy planning was added into RayStation software in December 2016 as part of the V6 release. This addition allows a seamless planning approach for centers with helical Tomotherapy combined with conventional linacs. For the first time ever, all planning can be done within one treatment planning system. RayStation’s advanced planning modules such as Multicriteria Optimization are well suited for Tomotherapy planning and will be shown. Finally, there are some unique features to the Tomotheraphy optimization that will be described by our in-house expert.
Raman spectroscopy and confocal Raman microscopy have already proved to be essential characterization tools in many areas of advanced research, with a number of these applications extending into industry. As time moves on, new applications that are not addressed by existing technologies arise. Indeed, at the nanoscale, materials exhibit different properties than at the macro level, often quite dramatically different. The characterization of nanomaterials naturally requires imaging techniques with resolution at the same scale or better, so that local property variations can be discerned and defects properly detected; only with this understanding can the material properties be engineered to meet the performance requirements of next-generation devices.
In this webinar, HORIBA Scientific, the world leader in micro and nanoRaman spectroscopy, will present new nano-imaging capabilities. Tip-enhanced optical spectroscopies (TEOS) such as TERS (tip-enhanced Raman spectroscopy) and TEPL (tip-enhanced photoluminescence) provide a unique capability for the characterization of diverse 0, 1 and 2D materials. We will demonstrate the power and importance of the cross-correlation of nanoscale hyperspectal imaging with data from other scanning-probe techniques such as topography, surface potential, conductivity and photocurrent. We will also discuss how we have extended this technique to other nano-materials as well as semiconducting nanostructures and bio-materials.
If you want to learn how to simulate the thermoelectric effect in the COMSOL Multiphysics® software, then tune into this webinar.
The thermoelectric effect, which involves the reversible conversion between heat and electricity, is a phenomenon that is used in both heating and cooling applications. The effect is often used in devices such as thermal sensors, energy harvesters and Peltier coolers.
In this webinar you will learn how to model the coupled phenomenon in COMSOL Multiphysics®. We will discuss the basic theory for heat transfer and electric currents as well as highlight how to account for the Peltier, Seebeck and Thomson effects. During a live demonstration these effects will be combined in a single model.
This webinar includes a Q&A session during which you can ask questions.
Professor Simon Cherry, University of California, Davis, USA
Peer review is one of the most critical components of high-quality scientific publishing. It impacts on the timeliness, accuracy and clarity of research findings that—if published—will be accessible and visible to everyone for years to come.
At its best, the peer-review process establishes whether the work makes a genuine and valuable contribution to the literature, and can remove errors and help authors to better explain their results and the significance of their work to the broad audience who may read the final journal article. At its worst, however, inadequate or superficial peer review can allow substandard work or poorly explained research to be published, which is to the detriment of the scientific enterprise. In addition, the peer-review process can also impede the publication of high-quality work through unnecessary delays or personal bias.
The goal of this webinar is to address best practices for reviewing a journal manuscript and address some of the challenges and pitfalls that frequently crop up during the peer review process. This webinar is aimed at those new to serving as a referee for a scientific journal – whether that be more generally, within the field of medical physics, or for Physics in Medicine & Biology specifically.
Efficient ODE Set-up and Results Processing for Particle Trajectory SimulationDr. Doug Craigen: Team Leader, Testing and Benchmarking, Integrated Engineering Software[[ webcastStartDate * 1000 | amDateFormat: 'MMM D YYYY h:mm a' ]]59 mins