𝗪𝗵𝘆 𝗱𝗼 𝗠𝘂𝗹𝘁𝗶𝘁𝗿𝗮𝗰𝗸 𝗟𝗣𝗕𝗙 𝘀𝗶𝗺𝘂𝗹𝗮𝘁𝗶𝗼𝗻𝘀 𝗳𝗮𝗶𝗹 𝘄𝗶𝘁𝗵𝗼𝘂𝘁 𝘃𝗮𝗹𝗶𝗱𝗮𝘁𝗶𝗼𝗻?

Many 𝗟𝗮𝘀𝗲𝗿 𝗣𝗼𝘄𝗱𝗲𝗿 𝗕𝗲𝗱 𝗙𝘂𝘀𝗶𝗼𝗻 (𝗟𝗣𝗕𝗙) simulations look accurate on screen but fail to match experimental results. Multitrack LPBF involves complex melt pool dynamics,