2015
DOI: 10.1109/tmag.2014.2354979
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Beam Propagation Method Based on the Iterated Crank–Nicolson Scheme for Solving Large-Scale Wave Propagation Problems

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Cited by 5 publications
(4 citation statements)
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“…To solve Equation 4 numerically, finite‐difference method can be expressed by using the standard Crank–Nicolson approximation, we have ()Vfalse→n+1Vfalse→n/normalΔt2=A()Vfalse→n+1+Vfalse→n+B()Vfalse→n+1+Vfalse→n, where A and B are coefficient matrixes, the trueV is fields (),Efalse→Hfalse→ vector, and higher‐order parts are omitted. According to the PSTD method, the right side of Equation has been expressed by the Fourier Transform.…”
Section: Simulation Philosophy Of the Adi‐pstdmentioning
confidence: 99%
See 1 more Smart Citation
“…To solve Equation 4 numerically, finite‐difference method can be expressed by using the standard Crank–Nicolson approximation, we have ()Vfalse→n+1Vfalse→n/normalΔt2=A()Vfalse→n+1+Vfalse→n+B()Vfalse→n+1+Vfalse→n, where A and B are coefficient matrixes, the trueV is fields (),Efalse→Hfalse→ vector, and higher‐order parts are omitted. According to the PSTD method, the right side of Equation has been expressed by the Fourier Transform.…”
Section: Simulation Philosophy Of the Adi‐pstdmentioning
confidence: 99%
“…To solve Equation 4 numerically, finite-difference method can be expressed by using the standard Crank-Nicolson approximation, 13,14 we have…”
Section: Symmetrical Difference Equationsmentioning
confidence: 99%
“…Because it is implicit, the discretized equations can be solved using iterations, leading to the explicit iterated Crank-Nicolson (ICN) algorithm [19]. Originally developed for hyperbolic advection equations with applications in numerical relativity [20][21][22], the ICN method has been extended to other fields, including beam propagation equations [23,24] and Maxwell's equations for electromagnetic waves [25,26].…”
Section: Introductionmentioning
confidence: 99%
“…Εκτός από την υιοθέτηση της παραξονικής προσέγγισης, εξετάστηκε, επιπλέον, η δυνατότητα βελτίωσης της αριθμητικής λύσης μέσω της επέκτασης ευρείας γωνίας. Η επέκταση αυτή πραγματοποιήθηκε με τη βοήθεια δύο διαφορετικών τεχνικών με γνώμονα σε κάθε περίπτωση τη διατήρηση του άμεσου χαρακτήρα της χρησιμοποιούμενης μεθόδου: Της προσέγγισης μέσω αναπτύγματος Taylor και μιας εναλλακτικής τεχνικής που εκμεταλλεύεται τη μορφή των εμπλεκόμενων τελεστών στην εξίσωση διάδοσης, ώστε να βελτιώσει την ακρίβεια της αριθμητικής λύσης[221,222].…”
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