ArticleMagma (New York, N.Y.)2021
Accelerating the co-simulation method for the design of transmit array coils for MRI.
Article in Magma (New York, N.Y.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Enhancing fine-tuning efficiency and design optimization of an eight-channel 3T transmit array via equivalent circuit modeling and Eigenmode analysis.Medical physics · 2025Article
- Implant-friendly MRI of deep brain stimulation electrodes at 7 T.Magnetic resonance in medicine · 2023Article
- Bench to bore ramifications of inter-subject head differences on RF shimming and specific absorption rates at 7T.Magnetic resonance imaging · 2022Article
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5 authors.
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Abstract
objectiveAccelerating the co-simulation method for the design of transmit array (TxArray) coils is studied using equivalent circuit models. MATERIALS AND
methodsAlthough the co-simulation method dramatically reduces the complexity of the design of TxArray coils, finding the optimum solution is not trivial since there exist many local minima in the optimization problem. We propose to utilize an equivalent circuit model of the TxArray coil to obtain a proper initial guess for the optimization process of the co-simulation method. To prove the concept, six different TxArray coils (i.e., three degenerate birdcage coils (DBC), two dual-row head coils, and one elliptical body TxArray coil) with two different loading strategies (cylindrical phantom and human head/body model) at 3 T field strength are investigated theoretically; as an example study, an eight-channel head-DBC is constructed using the obtained values.
resultsThis approach accelerates the design process more than 20-fold for the coils that are investigated in this manuscript.
conclusionA fast and accurate method for tuning and decoupling of a TxArray coil can be achieved using its equivalent circuit model combined with the co-simulation method.
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