public function calculateLam(InductiveDev $inductive, $pcbID)
{
$sEnv = $inductive->getEnvironment();
$piE = $this->systemService->getPiE(111, $sEnv);
$pcb = $this->pcbService->getItem($pcbID);
$system = $this->systemService->getItem($pcb->getSystemID());
$temp = $inductive->getTempPassive() + $inductive->getTempDissipation() + $system->getTemp();
$inductive->setTemp($temp);
$surface = $inductive->getSurface();
$weight = $inductive->getWeight();
$powerLoss = $inductive->getPowerLoss();
if ($surface) {
$deltaT = 125 * $powerLoss / ($surface / 6.452);
} else {
if ($weight) {
$deltaT = 11.5 * $powerLoss / pow($weight * 2.2046, 0.6766);
} else {
$deltaT = 35;
}
}
$ths = $temp + 1.1 * $deltaT;
$piT = exp(-0.11 / (8.617000000000001 * pow(10, -5)) * (1 / ($ths + 273) - 1 / 298));
$type = $inductive->getDevType();
$desc = $inductive->getDescription();
$base = $this->getDescValue($type, $desc);
$qual = $inductive->getQuality();
$piQ = $this->getQualityValue($qual);
$lambda = $base * $piT * $piQ * $piE * pow(10, -6);
return $lambda;
}
